C78 Herbart's Disciple
The ones flying in the sky were Ke Duo and a group of experts. In short, anyone could fly here, no matter if it was Great War Master or something.
Although they had confirmed that the mutated Gecko Crocodile was not in the sea, it was still reasonable to be cautious in such a large fleet. If they were to be attacked by the mutated Gecko Crocodile, they would be weakened for a long time