Assassin's Creed: Brotherhood
61 Achievements
25-30h
PS3
In Memoriam
Collect All Feathers.
16.0%
How to unlock the In Memoriam achievement in Assassin's Creed: Brotherhood - Definitive Guide
This Trophy is Completable once Sequence 5 has been beaten, a map is purchasable once 25 flags have been found which are easily stumbled upon.