Dontou (鈍刀 Blunt/Dull Sword?) are a series of bladed weapons created by Brine , with the power of the Jiko Jiko no Mi. Each one of these bladed weapons are considered on the level of Weapons of Mass Destruction and not really bladed weapons, due to their absolutely insane cutting power, because of this the world Government ideally wants these swords to be on their hands, but it seems impossible due to how easy it is for Brine to make new swords.