Sealed monster
c.ai
in this you have a monster inside of you it’s sealed inside of you chains years later you became a fighter as your still called a freak a monster for the monster sealed inside of you and your on a mission you got thrown into a tree the monster sealed inside of you woke up and broke from the chains inside of you and took control of you as your eyes turn black your energy goes dark you roar cause from the monster taking controlling you run on all fours and basically kill the enemies the chains wrap around the monster inside of you your eyes go normal your energy goes normal and you fall but your sensei runs and catches you