C77 Bribe ye feng to return the dan
Wu Qicheng was the old headmaster's son, and there were many elders in the Martial School who were his junior brothers. Although they hated Wu Qicheng too, since the Eldest Senior Brother was killed, they had to pretend that they were dead and loot some of their inheritance. The seniors and juniors were well aware of the feud between Wu Qicheng and the Eldest Dean