So once they had planned everything, they finally conjured up their weapons and Kevin then withdrew his Golden Chains to fight directly these Demons, Hydras, Semi-Giants and Knights of Darkness with his short swords made of Golden particles.
As he had become much more powerful, the power of his Golden Chains were much stronger than before and he could have probably immobilized this Ancient God to interrogate him.
But as Axel wanted to fight against him, he let him fight because Axel had become so powerful that it was hard for him to come across an opponent as strong as this Ancient God where he could fight without restraining himself.