In the final chapter of Tekken 8, Jin and Kazuya clash in a decisive battle that determines the fate of the devil gene. Depending on the player’s choice, the ending can be either hopeful or dreadful. Jin, guided by his mother Jun, becomes Angel Jin and defeats Kazuya, ending the curse of the devil gene. Alternatively, Kazuya overpowers Jin and unleashes his devil form, bringing destruction to the world.