How do you form Brunei in CK3?

Empire

Brunei

The empire of Brunei in patch 1.20.1.2: 1 de jure kingdoms and 0 counties. Its capital is Brunei.

give_title e_brunei

The empire of Brunei (title ID e_brunei) has 1 de jure kingdom in Crusader Kings III. To create it from the title view you need 2 kingdom titles (or 1 empire title or 1 hegemony title) and enough of its de jure counties, and it costs 1,000 gold for 500 prestige and 75 legitimacy; it is also formed through the decision Found the Empire of Brunei. Console: give_title e_brunei. Patch 1.20.1.2, from game/common/landed_titles/03_seasia.txt and game/common/defines/00_defines.txt.

Quick answers (1)

How do you form Brunei in CK3?: To create Brunei from the title view you need 2 kingdom titles (or 1 empire title or 1 hegemony title) and enough of its de jure counties, and it costs 1,000 gold for 500 prestige and 75 legitimacy; it is also formed through the decision Found the Empire of Brunei.

How to form Brunei

The decision that hands it over

Their effects make someone the holder of e_brunei — read from common/decisions, the scripted effects they call and the events they fire. Some hand it to another character the decision names.

Found the Empire of Brunei
Brunei becomes a De Jure Kingdom
- Is an Independent Ruler
- Highest held Title is exactly Kingdom Rank
- Holds Brunei
600Gold2,250Piety

Create it from the title view

You need one of

2 kingdom titles
1 empire title
1 hegemony title

“You need one of the following:” · titles you hold or completely control (CREATE_TITLE_OR_TIER_EMPIRE)

De jure counties

Enough of its de jure counties: the window says “You only have … of … required Counties”. How many it asks for is worked out by the game's code, not written in the files.

Cost

1,000gold

Discounts can bring it down to 200 gold at least (20% — what lowers it). Mandala rulers also need piety level 5 and pay 5,000 piety.

You gain

500prestige75legitimacy

Extra conditions written for Brunei

If played by the AI:
- Your religion is Islam
- Your culture: The Culture has the Austronesian Cultural Pillar

Usurping a empire costs 1,000 gold and gives 500 prestige; destroying one costs 1,200 prestige and 75 legitimacy. See also the domain, vassal and duchy limits. Patch 1.20.1.2: common/defines/00_defines.txt (NTitle), common/landed_titles/03_seasia.txt, common/decisions.

Brunei coat of arms

The coat as the game defines it, ready for the coat-of-arms designer's Paste. The text is the definition from common/coat_of_arms with its @values worked out — not tried in the game yet. Coats a title changes to in play (a conquest, a new dynasty) are not shown. All coats of arms

Show the code

e_brunei={
	pattern="pattern_solid.dds"
	color1="yellow_light"
	color2="yellow_light"
}

Brunei k_brunei

How to use these IDs in the console

In Steam, add -debug_mode to the game's launch options (Properties → General).
In the game, open the console with the ` key (§, ~ or ^ on some keyboards).
Paste the command (give_title e_brunei) and press Enter. Using the console turns achievements off for that game.

Source: game/common/landed_titles/03_seasia.txt and the English localisation, Crusader Kings III 1.20.1.2. Commands as listed on the official wiki's console page. See also title IDs, character IDs, dynasty IDs and nicknames.