Notably, the vassal will be granted all its overlord's technology. Sometimes it is preferable to conquer systems and then release them as a vassal since this will create a vassal that shares the overlord's ethics and government. The player can then transfer additional systems to their vassal through the Trade option 'Transfer System' if they so choose. Warning! If the player's empire is integrated by another empire the game is automatically lost!ДЄ player can create a vassal from their own territory by releasing one of their sectors as a vassal from the 'Sectors' tab by clicking the 'Create Vassal' button next to the sector they want to release. All leaders, resources and armies are removed new scientists are required for their science ships. Once the integration is completed, all planets and ships of the subject are transferred to the overlord the ships and starbases retain their graphic type. Only one subject can be integrated at a time. Empires with the Shared Destiny ascension perk benefit from a -50% influence cost to integrating subjects. The base cost is 50, increased by 1 for each pop and 10 for each planet. Vassals and Protectorates that an empire possess for longer than 3 600 days can be peacefully 'integrated' by paying influence, at a rate of 5 influence a month. The opinion penalty from Relative Power is reduced by 50% with the Feudal Society civic and by 33% with the Franchising civic. Subject empires do not suffer from border friction and can therefore in some cases be utilized as buffer states between two empires that otherwise would have significant border friction issues. If they do, the Empire supporting them automatically joins their war for independence.

Doing this will count the supporting empire's fleet for the 'relative power of subjects' opinion modifier, causing the subject to rebel if they stand a good chance of victory. The loyalty is determined by the subject's opinion of the Overlord, which aside from the normal factors is also affected by the total military strength of all the subjects relative to the Overlord as well as that of those who support their independence.ДЄn Empire is able to support the independence of another Empire's vassal. If a subject becomes disloyal they refuse any deal with the overlord and have a chance to start a war for independence, always waiting for an opportunity when something depletes the overlord's relative power (a taxing war, a larger uprising, a crisis, etc.). If an empire switches its authority to or from Corporate, its subjects' types are changed.ДЇor subject empires the attitude is replaced by loyalty, expressing how content they are living under their OverlordвЂ™s rule. House a Void Dwelling in the capital system.Benevolent Interventionists awakened empire.Slavery and Purge policies stay set to Prohibited.Ethics are shifted towards Fanatic Spiritualist if not Gestalt Consciousness.More than 50% technological superiority.

At less than 50% Technological Level difference the Protectorate becomes a Vassal.

Subject cannot sign Research Agreements.

Subject gains в€’80% Research Cost towards technologies researched by the overlord.

Less than 50% technological superiority.

Most of them have to pay a certain tribute to the overlord. There are a number of types of subjects available depending on the overlord's government.

Crusader kings 2 over vassal limit