Supreme Grade Weapons are the pinnacle of armament artisanship in all of One Piece. Despite there being an almost innumerable amount of weapons that have been introduced over the 1100+ chapters of the series, there have only been 5 that are currently confirmed to be Supreme Grade Weapons, showing just how rare, powerful, and sought after they are. However, even among these 5, only 1 has reached a further state of power.