User blog comment:Nobody700/What If: Alien Invasion arc part 4/@comment-5038468-20151221000427/@comment-7890302-20151221002906

Well, remember that Genos has been shown that he has fought only the strongest of demons. Armored Gorilla was the third strongest of the House of evolution, G4 was sent to kill King so it must have been strong, and Sea King curbstomped Puri Puri prisoner. Don't underestimate Genos.