C303 Please Punish Me, Sect Master(2)
He ordered his forces to continuously challenge the Leaving Island, and then use this opportunity to take away the key to activate the healing, support, and other Magic Arrays. Later on, he even directed a false image of the Leaving Island being attacked, trying to trick Wei Anfu into giving him the key to the ultimate killing array. Naturally, Wei Anfu would not agree.
Thus
