Grand Ages: Medieval
50 Achievements
GOG
Big Game Hunter
You have slain 5 predators.
36.6%
How to unlock the Big Game Hunter achievement in Grand Ages: Medieval - Definitive Guide
Your armies need to slay 5 predators (animals), this will likely happen naturally but If not then find a cave and attack it. Predators will come out of the cave to defend it. 5 is easy but have to be done during one game (in one sandbox or campaign).