User blog comment:Xilinoc/Ch. 578 (I'm not gonna spoil the title like Schiffy did)/@comment-1604252-20140423204950/@comment-24282510-20140423205610

Actually knowing how to fight. Gremmy was powerful in terms of ability to create what he wanted only. But he was just a kid with no fighting skill. And in terms of raw power i doubt he was the most powerful.