Gangs of Sherwood
52 Achievements
Steam
Rebel Unleashed
Activate Rebel Instinct
30.8%
How to unlock the Rebel Unleashed achievement in Gangs of Sherwood - Definitive Guide
FYI, Rebel Instinct doesn't become available until you finish the first three missions. Once it does, you can go to the central hub and do the training lesson for it and pop the achievement there.