If they are. Likewise, if you have an overlord, you are their subject and are beholden unto them. And there Make the Tributary or Make the Vassal options are. 1 This mod expands how vassals work. For some reason you can't expropriate criminal heritage buildings from your planets and vassalize/tributary unless you want to wait 10 years between them (because truces), this is because stellaris apparently decided that when you dominate a criminal syndicate you apparently are fine with them building illegal mining operations and meth labs on your. But i only have 1 option. Nope, the Space Mafia doesn't care about any Rights not founded on Might. Their trust increases overtime and when they become lawful you don’t have to be anxious about it any more. You're just too far behind. Secret Fealty Does Not Like Subject Type. Make them vassals in the late game so you can integrate them or purge them. I have a big fleet. Is it a good idea to go and take any leftover systems and granting them to my subjects to increase their tribute and lower my own administrative Capacity?Go to Stellaris r/Stellaris. 'War score' at the beginning of war says it's -200. You get the CB allowing you to start a war, and it expires after a year. As a megacorp, you are mostly making tributary vassal requests, so you get a basic resources boost, utilizing 30% of the vassals economy, only furthering your economy to easily vassalize more and more. Well, actually, it's relatively easy to make them accept to become a specialist vassal. Protectorates Becoming Tributaries Instead of Normal Vassals is Very Frustrating Bankipriel Mar 29, 2023 Jump to latest Follow Reply It is very frustrating after. I prefer conquest. Vassals with claims on a Fallen Empire. 36 comments. Through this window you will need to make the various demands/other things you want from them. the subject gets the benifit of extremely large research bonuses towards military technology researched by its master. Later on when I'm on repeatable tech I cede to get 100 % of the minerals and energy credits unless the enemy is on the butt end of the galaxy or has. Primitives: In vanilla Stellaris primitive empires that become spacefaring have been unintentionally handicapped. Each vassal type has certain limits on what you can demmand of them. Claims stuff on a different empire, make them a tributary. The vassal doesn’t add to your sprawl, keeps their remaining civilian and military ships, and if you play it right continues to develop and donate even more to your empire. Lots of targets around, claim a few systems, make them a tributary. Though not so much from a military angle. The left side panel shows details of the selected empire, depending on empire type and intel level. Neither. 2x probably). 4, but the quick trust growth means you can turn them into a protectorate/vassal pretty quickly. in stellaris, tributaries are just a different type of vassal that pays you resources but doesn't follow you into your wars. They get 80% reduced tech costs on every tech you've researched. Targets are more likely to accept becoming certain subject types (such as tribal vassal or tributary status) over others (including feudatory and client status). It does not get refunded, because the Vassal needs to use THEIR influence to be able to refuse the offer. You can't integrate them, you can't prohibit their expansion, you can't limit their diplomatic options, you can't build any holdings and you can't give them subsidiaries as their overlord. LightsaberMadeOfBees • 4 yr. Yes, especially if they are a vassal / tributary they can just ask me for stuff. Integrating a vassal would be changing it into a tributary, then into a sector. 70. Like Vassal 1 focuses all its invention on making a laser which can heat. Then you can integrate them 10 years later (which deletes their branch offices). As such, tributaries are better than subsidiaries, so do not pick megacorp for subsidiaries. 27. Scholarium should get some better bonuses to make them actually the science vassal to play as, as well as the subject science one to get. It’s your overlords job to protect you so you don’t really lose out, protecting 1 vassal isn’t a huge problem for a overlord. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?If the Vassal AI would ignore the Fleet power it would result in endless Rebellions that get always quelled and players would be annoyed to no end about them, Whack-a-mole Deluxe. Question 2: If I build a Megastructure, and transfer the system it's in to a vassal, can I build another one? If I can, the limit can be cheated. Stellaris > General Discussions > Topic Details. I dunno man, but it seems OP. Now about 50 years later I have everyone as a tributary or a vassal but my empire is getting bigger and bigger and everything gets more expensive. I have previously used the good-old conquest against them. 17. Now it's a wargoal you get by default, no need to propose, wait, declare war and get a tributary anywayStellaris. Stellaris. When releasing a sector as a vassal, what do they inherit from you? In my current playthrough as space Ethiopia (Neo-Askumite Empire), in accordance with the tradition of the መንግሥተ አኵስም , I have been releasing all sectors outside of my core system as vassal/tributary states. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?Stellaris > General Discussions > Topic Details. I have noticed on some empires I cannot visualise them, I can only make them a tributary. Pretty sure there was an option to release vassal/tributary through diplomacy? Yeah I'm asking if there is a way to release a colony that you own into its own independent empire. And while they don't contribute towards fleet capacity, you also get the federation. Now I would like to conquer my third enemy. . 0 unless otherwise noted. Vassals stay basically the same as they are now. Well it isn't very obvious, in any case I still say the vassal (Tributary) system is crap. In Stellaris you can research fusion reactors. Now your tributary gives you energy and minerals, add part of their naval cap to the federation fleet, and they're pulled into any wars you're involved in, because they count as federation members. Now they have more diplomatic weight than they ever had, love me and helped me obliterate an empire. The opposite is also true. However you are not allowed to intergreate a Tributary. Or if they do, and there's a possibility to transition from a tributary contract to vassal contract, what happens if the liege isn't feudal? It doesn't seem like very intuitive design to build them off of a feudal mechanics when feudal realms are only one of the government types playable in the game. A prolonged fight against both would have been a problem, but liberating the one guy had a. You will be presented with many options as demands, and “Vassalize” is one of the options. 7 comments. You both have to be at peace and you have to be rated as superior to another empire before you can make demands to them to get the CB. I immediately got the "Ask them to be a protectorate" option. I always do this with hegemoneis. Subscribe to downloadVassals and Tributaries - Exalted Domination [2. Doesn't add up. r/Stellaris. IMO tributaries are worth it in the early game. Claims stuff on a different empire, make them a tributary. You can't force vassalise your own tributary (since you can't declare war on them), but you can ask them to become your vassal diplomatically. This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Subjugation is a common feature in Paradox games. when a tributary or vassal attempts to break free from their overlords they get warscore over time. Tributary will really boost your economy, so you can put out a lot more research and alloys and have less of your pops mining and energy production. Most empires will have Vassal/Tributary as options. willldebeast • 4 yr. So there is no reason to not integrate a vassal unless you are fine with having a worthless pile of pops on the map. It's easy to completely ignore them, specially in the late game, when they are no more than a nuisance. ago. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?If your combined military is greater than the overlord, they should start a war for independence, and pull you into it. Once you vassalize an empire, they lose their OP AI bonuses. 3. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?What’s the difference between a vassal Stellaris and a tributary Stellaris?-Vassals give you fleet cap and follow you into any war. . You should get more influence than them, thanks to spamming the Ministry of truth. I've beaten two of them recently, made one a tributary and the other one my vassal. As Tributary you get a small part of their resources. I usually just change their ideologies first, then make them a vassal through diplomacy or another war. I've beaten two of them recently, and forced one to be my tributary and the other one my vassal. You can't integrate them, you can't prohibit their expansion, you can't limit their diplomatic options, you can't build any holdings and you can't give them subsidiaries as their overlord. All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews. An incorporating Union is one that an entirely new nation is created. Nov 21, 2023Tributaries are much better imo. 6 comments. The first method involves going to war with a target empire. I prefer conquest. This video is sponsored by Paradox Interactive. If you’re a vassal then theres good news and bad news. The option to change them back to a Vassal/Tributary doesn’t show. That's all. Empires of all ethics have the option to leave a subject as vanilla vassal or tributary. 7) Take advantage of their refusal to declare a war of subjugation on them, choosing vassalization or tributary status as your war goal as you see fit. The easiest way is to beat them up in a preliminary war. You can vassalize someone as a bulwark, but force them into tributary later. min. Unless we have special perk. Tributaries pay another nation for their autonomy. A tributary of basic resources would be just as redundant. Thread starter Abdulijubjub; Start date Apr 14, 2023; Jump to latest Follow Reply Menu. How do we conquer other empires in Stellaris? Welcome to war goals and casus belli. •. Stellaris Game Designer. 1 This mod adds some flavor to pirates. 806 14. I am fairly new to this game, so I first apologise for my lack of knowledge. Yea. A secret fealty vassal I just got started as a bulwark after being fully vassalized, but I'd rather have a regular vassal instead. Right now the only worth while vassal is tributary as direct vassals are too weak and bring no benefit to be worth it. It depends on what you want from them. the war is them attempting to prove that they are strong enough to govern themselves, your inability to stop them proves that they can. Stellaris desperately needs a threaten mechanic. Legacy Wikis. Well it depends. From the wiki: Vassals that an empire possess for longer than 3600 days (10 years) can be peacefully "integrated" by paying influence, at a rate of 5 influence a month. Diplomacy screen, showing a situation where the player empire has little intel on the empire. How, then, can you choose between tributary vs vassal? Keep reading to discover our complete guide. Mr-H-Saether • 5 mo. But honestly there's very little reason to continue this game. Go to Stellaris r/Stellaris. Stellaris Dev Diary #281 - A Message from Minamar Specialized Industries. . Then (to test) I let them both go. Vassal ai is completely useless. The overlord can't curtail their expansion, doesn't. 1 Answer. Due to the guarantee and Subject Relationship, Trust grows quickly up to 100. So, force a lesser empire into a Tribrutary if you are super powerful and just care about the credits. Lets find out. Being a vassal in Stellaris is unequivocally being in a vulnerable position, at risk of being integrated for very little potential gains. Jun 9, 2019 @ 6:16pm Vassal system is broken. Tribute is better for more powerful empires. The requirements for initiating diplomatic annexation are: The subject's vassalage has lasted at least 10 years. This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Claiming territory and invading colonies. Vassals can be everything, from tributary-like contracts, to specialist contracts, protectorates, offensive, defensive or no military allies at all. Stellaris Wiki Active Wikis. Death Diamond Oct 2, 2022 @ 5:44am. Description. You can right-click and explore any wormhole your science ship can reach, regardless of its territory. Workshop link:. Protectorates are tricky because usually the technology gap doesn't exist to create them but I've had luck doing it with newly self-enlightened races. This video is sponsored by Paradox Interactive. The base cost is 20, increased by 10 for each pop and 50 for each planet. Stellaris Real-time strategy Strategy video game Gaming. 1. The overlord can't curtail their expansion, doesn't interfere in any of their wars (and vice versa), the tributary simply feeds them resources. 7 to −3. Vassals are legitimately just to gain territory without the big upfront influence cost of claims, other than that, tributaries give you 25% of their income but you can’t integrate them. Conquering directly just gives you the planets and populations directly, and will generally be strongest. 5. Tribute is better for more powerful empires. Stellaris. They still have their own government, they have their own borders, they manage their own economy and population, but they have no control over their foreign policy. You could try to vassalise them. In general though, if your fleet is much stronger it should be enough. A vassal state is any state that has a mutual obligation to a superior state or empire, in a status similar to that of a vassal in the feudal system in medieval Europe. Each vassal type has certain limits on what you can demmand of them. All that said, Protectorates are by far the best subject type to stock up on, for that sweet +0. This article is for the PC version of Stellaris only. So I've been enjoying becoming a vassal of an AI empire for a while, my overlord is a member of a federation with me being incorporated into it. Then again I'm running Glavious AI which doesn't seem to improve the AI that much (granted, there are 2 "equivalent" normal empires in 2400 and one of my federation members just quit the. •. In the Contacts screen, the player can see a detailed list of all the empires they have encountered. Presets have a list of default terms and can have additional unique effects tied to them, like. May 24, 2016 @ 4:20pm Originally posted by. Primitives: In vanilla Stellaris primitive empires that become spacefaring have been unintentionally handicapped. They do lose the difficuilty bonus, yes. If the game is using "subject" to specifically mean "tributary" in only this case, that deviates greatly from the general use of "subject. Content is available under Attribution-ShareAlike 3. Is something wrong with getting Ai to become vassal/tributary/other ? Question I've just had a game where I could just demand other empires to become my vassal and it felt really really Easy. All systems captured, one but one planet is occupied. Authors description: Exalted Domination – Vassals And Tributaries. So a criminal syndicate is doing its job and has a couple of branches open on my planets. If you want the extra resources from a vassal with none (or very little) of the headache that comes with loyalty management and specialization, and you don't plan on integrating them either, tributaries. They are probably more useful in one of the next patches due to tributary states and maybe some other changes (which is. In cases where the vassal in question is large and rebellious, integration and re-releasing might be prudent. Make Vassal: The empire is forced to become a vassal to the victory. but in the war conditions menu I cannot choose to vassalize him. While the subordinate party is called a vassal, vassal state or tributary state, the dominant party is called a suzerain. If you're not domineeringly powerful, vassal is a good choice to set them to follow your ships and act as extra power in most fights. Tributaries The way tributaries are set up in Stellaris, they can be excellent subjects from an economic point of view. This page was last edited on 7 June 2023, at 11:13. After that, it’s up to you to make the choice! How Do Tributaries Work? A vassal actually gets bonuses for serving under you in exchange for being subject to your diplomatic choices, i. 60-100 years in, I'm spreading my glorious color galaxy wide, absorbing any independent empire that likes me, and you bet they'll like me. 9- Release the core sector of the former empire as a tributary. as a trading partner or a buffer zone. They are "equivalent" in technology. The tributary in question is not a federation associate and obviously has no other diplomatic connections to these two. Yes you can´t integrate them but considering how scarce influence can be sometimes, having someone giving energy and minerals isn´t a bad choice. If this isn't the case then something is missing. Cult for easy edicts and feudal for the vassals. Stellaris has much more actual variety, considering you can create your own species from a lot of different portrait options, and customize a lot of factors about your faction. I have 1 specialist vassal that changed from tributary (or subsidiary)but the option to do this it's too random to appear (cannot choose vassal types) even when asking to other empires to become vassals(i am stronger enough) 3. Plus, if you've gotten said protectorate by doing something like. If you are ok micromanaging, you can incorporate them, gene mod and fix their planets, then release as a vassal again. I am looking for something that lets a nation be your subject and grant you their dev for GC, but simultaneously have the freedom to have alliances. #3. Now, if a system with pirates stays unnattended for too long (10 years or more), the pirates will try to seize a nearby colony. 8) End that war in such a way that they become your vassal or tributary (if possible, by achieving your war goals, because a status quo may not give you all that you desire). It’s absolute madness they are refusing to adjust this seeing how you can play as bootleg Zerg and Tyranids in the Appearances screen and both factions are the classic Progenitor Devouring Swarm archetype. Vassels build there own. 2 comments. . Vassals can be lawful or the opposite in which case they will rebel if given the opportunity. Vassals can be everything, from tributary-like contracts, to specialist contracts, protectorates, offensive, defensive or no military allies at all. Why would you ever create vassals instead of tributaries? And why would you even bother with tributaries? I just ran a fun little Feudal Empire run where I wanted to get as many. 8] Subscribe. Unless they're at war in which the option will be greyed out, or they're already someone else's. bordering other tributaries does count for tributary demands. 1; 2. If I can make tributaries -> vassals and then diploannex them at a later date, I'm peachy. I played Stellaris for quite some time now. Vassallation. If you want the extra resources from a vassal with none (or very little) of the headache that comes with loyalty management and specialization, and you don't plan on integrating them either, tributaries. ago. Authors description: Exalted Domination – Vassals And Tributaries. The overlord can either renege on their guarentee of independence, or the Tributary can declare a war of independence. The casus belli lasts only for a year. I'm fairly sure I've made allies into vassals or at the very least Dynastic Marriages into vassals, but I'm wondering, after you make a nation a Tributary, can you later make that country a vassal? Just trying to plan my take over of Indonesia as Japan. This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. So as a weaker empire, you rather want to be inside a hedgemony than be a vassal. Last game I was playing, I was the president of a trade federation and a neighboring empire that had associate status wouldn't join my federation due to a -2. 2k malus. A vassal has still some use, even if their military support is questionable, e. ago. Tributaries and vassals are the two most common ways to establish subject states in Stellaris. Previously in Stellaris, subjugation was rarely a more compelling option than simple conquest, and being subjugated often essentially meant a permanent decline of your empire and a “Game Over” screen in your near future. Does anyone have any input on how to change your subject from a tributary/tribal vassal to a feudatory subject in order to integrate them? The wiki does not give any answer. Bochanks. However, vassals do drain your influence and cost even more to integrate. Recaptured Rebel's systems becoming my vassal's territory after war. I have a big fleet advantage and it is gives me only +14. Tributaries are the only useful form of vassal, but by the time you’re actually able to vassalize an AI, you don’t really need the small amount of. You can do this by either vassalizing or stacking minus empire size modifiers. Base: -50 Empire Population: -23 Relative Power: +22 Loyal Attitude: +10 Is there anything I can do to change these? My Tributary has 5 worlds to my 10, I completely trashed his fleet so he has much more fleet to build than I do. This pairs quite. They cannot declare war, and are forced to side with their Overlord in wars. Unfortunately, the Groots war goal just happened to be "Make Tributary", which I didn't realize removed the Moths as my overlord. This thread is archived. 'War score' at the beginning of war says it's -200. Each has its own strengths and weaknesses. Subsidiaries only pay energy, while tributaries pay both energy and minerals. Vassal and tributaries have very strong synergy with the Domination/Purity tradition tree. In the second game I tried to tributary the aliens. As a megacorp, you are mostly making tributary vassal requests, so you get a basic resources boost, utilizing 30% of the vassals economy, only furthering your economy to easily vassalize more and more. But they can reject renegotiations if they hate you and have the influence it is a pain just keep them loyal and they won't make you waste influence. So the differences are that Hegemons don't give any contribution to your empire like a Vassal or Tributary does, so in that sense they're a little weaker. You can easily rename your capital system, and so, you can easily rename your subjects. watching the Overlord multiplayer stream (mostly Montu) and I was wondering what exactly the difference is between a tributary vs a standard vassal in the upcoming patch. 9 ‘Caelum’ Patch Notes, and Ask Us Anything!Stellaris. Heck, sometimes any vassalage deal is good enough if it keeps them voting. Actually there IS a perfect answer. Vassals can be lawful or the opposite in which case they will rebel if given the opportunity. If you get a subjugation CB, you can declare war for Vassals Or a tributary, no matter how you got the CB. Tributaries and vassals are just two different types of subject empires, alongside protectorates, subsidiaries and others. Vassals have very limited diplomacy with other empires, and cannot build new starbases. They'll split off into a new, vassalised empire. Make the feudal society civic kind of useless as no matter how powerful they get and apart from fighting they give you. I am pretty sure we had a commercial pact. I've also heard this is the best way to get a vassal to agree to a special vassal status, by trading away heavy tributes for the status change. In the game Stellaris, a tributary is a vassal state that retains a significant degree of autonomy in its internal and political affairs. While a Protectorate, their Overlord gets a slight bonus to Influence. How to make vassals/tributary. Warhawg01. As Tributary you get a small part of their resources. I had a quick question about the secret fealty system. 5. Subjects were allowed in since that almost costs us a war when the AI did not send the fed fleet in time. 0. Recommended Read: Stellaris – What Are the Best Ethics? Two ways to get a vassal. Does anyone have any input on how to change your subject from a tributary/tribal vassal to a feudatory subject in order to integrate them? The wiki does not give any answer. Vassal Contracts are a massive new feature of the Stellaris 3. However, having a Hegemony does work better for you for the federation benefits. 4 Cepheus update. Going by the Blorg stream, vassals work pretty much the same as they do in EU4. Method 4: Liberation. Irbynx. Both are similar in that they are secondary to a more powerful nation or state. It means, in the unlikely event that an inwards perfection empire ends up in the situation where it could get a vassal, it gets a tributary instead. After the war ends, my claims are…You want an FE vassal? Destroy their fleets, annhiliate their armies, scorch their worlds, conquer them, release sector and lean them some fleets from the Head of Zarqlan for consistency. Rord64 Mar 18, 2018 @ 6:06am. 4. Azunai Nov 27, 2017 @ 6:40am. -must be neighbor. Build them up and let them get a fleet in proportion to yours. 138 Badges. 3. For a regular empire, it can happen the other way too -- you start with a Tributary, then it auto-switches to a Protectorate, and then later it auto-switches to a Vassal -- losing your Tributary resource contract entirely, you have to spend Influence to re-negotiate, and whatever you negotiate is thrown away if it swaps into Protectorate again. g. Not only should it be possible to transform a vassal into a tributary, but the reverse should be true too, provided the overlord is strong enough and relations good enough. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?Is there a command to vassilize a nation? Because I can't seem to find it. A vassal has still some use, even if their military support is questionable, e. The benefit is that, by vassalizing early, you gain a better reward in the long run as your vassals continue expanding and your time investment in the beginning pays off nicely. So i was trying to finish of my current game, to get the slave acheivement, was deciding which of my vassal to integrate when bam the metal head i had vassalized in a war decided they didnt like being my vassal, and they brought all my other. 2. I would say their participation in your wars is rarely useful, at best they'll distract. It’s kinda pointless. In the default galaxy map mode, subjects have the same color as their overlord. A vassal state is any state that has a mutual obligation to a superior state or empire, in a status similar to that of a vassal in the feudal system in medieval Europe. Since you can stack anchorage star bases for increased naval cap, and because upkeep costs so much more now, the extra fleet. Zijkhal • 4 yr. Prospectorium for non-servitor Machines. would like to know too!! #1. Currently bigger empires (ie conquest) is just stronger due to the fact that you can just increase your empire sprawl endlessly (ie no science loss from bigger empires) and the ai has weird ship designs and uses buildings suboptimally. This pairs quite. g. You should try, I said 10 from the top of my head but as they grew (slowly, but they did) I got some 70 energy and 30 minerals before makng them protectorates. esx9. What you did also works if you can get the warscore. -V0lD Voidborne • 1 yr. I personal use vassals for a few purposes. The war goal "subjugation" still lasts for the entire war once selected. However, it pays a substantial amount of tribute to its overlord in exchange for protection. The option is there to turn the tributary into a vassal, but I have a negative score (-41) to actually do this. I play tall and use tributaries. Upload Attachment File(s) attachedWhen subjugating neighboring empires, is there any advantage to one form of subjugation over the other?For Stellaris 2. But all in all it's just meh. Having more planets (& pops) raises the cost of techs and now unities - as far as I know tributary/vassals do not. Tributaries are mostly free, they can expand and do diplomacy but need to pay you a quarter of their income. Stellaris. Which means they cannot even build a single starbase. Alpha Centauri Mods for stellaris: SMAC Factions converted to Stellaris ForumThread SMAC Factions in Stellaris - Steam Workshop link SMAC Symbols/ Flags - Steam. war, peace, etc. - Changing your subject's name: To do this, I made it so your subject name will change to the name of your Capital system. 1. It’s fine if you declared war. 3. I have positive relations and 100 loyalty. But disloyal vassals should also consider : [disloyal power + enemy of overlord (current war) power] > [overlord power + loyal power] -- what better time to rebel, than when your lord is campaigning half a galaxy away?After a protectorate becomes a vassal, you must wait 10 years in order to annex them (the game says 3600 days) and THEN you get control of their planets and fleets. Maybe in multiplayer you can make it work, but in singleplayer you're wasting your time. When subjugating neighboring empires, is there any advantage to one form of subjugation over the other?Despite not having Domination Tradition, I can request them to become Protectorate and declare a war to force them in. This also gives you the chance to release more subjects as you've mentioned, and thus build more info. You can't force vassalise your own tributary (since you can't declare war on them), but you can ask them to become your vassal diplomatically. I don't really use the espionage system to know enough though. Presets have a list of default terms, and can have. The AI is just terribly stupid, and without the boosting stats (which, again, are lost once it becomes the vassal of a player), the AI just can't win. be prepared to wait a. Zijkhal • 4 yr. Stellaris Dev Diary #312 - 3. Tributaries themselves are kinda meh and supposedly pretty bugged in 1. A vassal has still some use, even if their military support is questionable, e. -100 for vassaling and -100 for something like war at itself. Conquest is better, but vassals are fun for role playing. . Ergo, you pick neither, and you pick a different vassal type instead- like a. I'm playing as Rome and the subjects (tributary) I had from the beginning could easily be turned into feudatories once I had 190 relations. This guarantee can be revoked at any time. Two of the most popular subject empire types are tributary and vassal. It is far easier and faster than trying to conquer individual planets.