Starting from the fourteenth floor of the Tianmen Thunder Tower, Yu Xiangbing was frightened every time he went up to the floor. The lightning arc attack after the fourteenth level is no longer just a superficial lightning strike. The pressure of various rules and thunder arcs of various attributes poured down. If it weren't for Ning Cheng's protective field, Yu Xiangbing even doubted whether he could have persisted until he was teleported out....