CK3 DatabaseCrusader Kings III · 1.20.0.3 “Crozier” · unofficial

Casus belli · Event wars

Sponsored Conquest

The war is called “Sponsored Conquest of …”

Sponsored Conquest is a casus belli in Crusader Kings III (event wars). If the attacker wins: The beneficiary gains the contested Titles. If the defender wins: The defender keeps the contested Title. The war goal is worth 80% war score. Patch 1.20.0.3, from game/common/casus_belli_types/05_fp3_wars.txt.

Quick answers (2)
What do you get for winning a Sponsored Conquest war in CK3?
The beneficiary gains the contested Titles (patch 1.20.0.3).
What happens on a white peace?
The defender keeps the contested Title.

How the war ends

Attacker wins

The beneficiary gains the contested Titles.

White peace

The defender keeps the contested Title.

Defender wins

The defender keeps the contested Title.

If the war becomes invalid

The … has ended: it was no longer valid to continue.

Who can declare it

The game shows no text of its own for these conditions; the script is below.

Every event wars war (the group's allowed_for_character) (1 line of game script)
herders_and_tributary_constraints = yes

As written in game/common/casus_belli_groups/00_casus_belli_groups.txt.

Attacker (allowed_for_character) (1 line of game script)
always = no

As written in game/common/casus_belli_types/05_fp3_wars.txt.

Source: game/common/casus_belli_types/05_fp3_wars.txt and the English localisation, Crusader Kings III 1.20.0.3. “The attacker”, “the defender” stand where the game names the character; “…” marks other words it fills in during play.