"It'd take them some time to get millions of humans again if their existing population was nearly all killed, and if they do it outside Urgathoa's domain, which isn't that large, it'd be harder for them to prevent interference. 

A very large nomagical explosion would significantly wound a god only if they had made themselves vulnerable for some reason; by default gods have no physical form that can come to harm."

"It'd take them some time to get millions of humans again if their existing population was nearly all killed, and if they do it outside Urgathoa's domain, which isn't that large, it'd be harder for them to prevent interference. 

A very large nonmagical explosion would significantly wound a god only if they had made themselves vulnerable for some reason; by default gods have no physical form that can come to harm."