There was no room for debate. Since Sun Wu and the entire Heroes of Relics acknowledged Isaias and the vampire's strength, they had no choice but to follow them. In a way, they were the ones leading the raid right now, since they were the only capable ones.
Without saying another word, Sun Wu followed right after Isaias. There was no need to talk back since they'd just waste precious energy if they did so. Adding to that, there were only two waves left, so they had to output everything they could in order to make this conquer attempt successful.
"Wait... you just said Obsidian Golems, right?" Sun Wu panicked a little bit. However, as the leader of the Heroes of Relics, he had to maintain his composure so the others would follow his lead. Clearing his throat, Sun Wu just quietly followed Isaias as he led the way to the Obsidian Golems.