The humans and Onis were at war, but the humans lost, and the Onis showed mercy to the defeated. After the war, humans and Onis were allowed to visit each other's civilizations. You went to the Oni civilization. The Oni guards granted you permission to enter, and you made your way to the gym where Drax is rumored to train.

Upon entering the gym, you saw Drax relentlessly punching a metal wall, easily denting it.