C76 Unavoidable moon draw

Seeing the sphenoidale appearing and blocking this spear for the Unholy Turbid Flood Dragon, everyone was very surprised. sphenoidale clearly wanted to kill it so much, but why did he still help him block this spear?

Seeing the appearance of the sphenoidale, Ao Er was first stunned, but he did not linger and immediately brandished his spear to rush towards the sphenoidale