When their three fellow students split off and founded the Confrontation Beast-Fist Akugata as the Three Fist Demons, Bruce E died of foul play and the two groups battled each other in the Fierce-Confrontation Rebellion, with the Fist Sages ending the horrific fight with a forbidden Fierce Qi technique that sealed the Fist Demons' bodies and forced the seven into their current animal forms, along with them swearing a Beast-Fist Oath of Nonviolence soon after, fighting only in defense.