Res was completely right. He knew that his attacks were too strong for the dungeon to resist it.
Moreover, it would be understandable that he would use the attack if it was an isolated area, but right now they were within some walls and that too right above a city.
So it was highly dangerous for him to go ahead and use strong fire attacks or other things.
Jay too realized that after he denied, but right now he couldn't think of anything else that could actually stop the giant statue from moving.
Jay did have a lot of power dwelling with him, but after he saw that there was almost no effect on the statue even after he used one of his best spells, he understood that the statue was quite durable.
"Damn, I guess it would be better if I use that...", he almost immediately waved his hand as if he was summoning something.
'Woosh'
All of a sudden he acquired the blood sword which he had used a while ago as a stepping stone.