C1239 Killing without mercy
With everyone channeling their spiritual power into the barrier, the barrier would become even stronger. They couldn't participate in the battle between Yi Hao and that guy, because they weren't a match for him.
All they needed to do was support Yi Hao so that he could win and not drag Yi Hao down.
The battle hadn't even started and it was clear that Yi Hao didn't have any advantage