This Knife's For You is the twenty-second Mission in Far Cry 3. It begins right where the previous mission left you off. After saving Keith, killing Buck, and claiming the ancient knife as your own, you've set out to avenge both of your brothers' deaths after discovering that your younger brother Riley was killed.

Objectives
Exit the cave.
Bring the knife to Citra.
Leave Citra's temple.
Go talk to the Rakyat Leader.

Mission Number 21
Previous Mission The Social Club
Following Mission Ambush
Rewards Nil