Murakumogiri is a naginata and one of the 12 Supreme Grade swords.[2] It was used by Edward Newgate for over 30 years until his death.Murakumogiri is a massive Tomoe type naginata, fitting the size of Whitebeard, with a red and yellow striped pole (plain brown stripes in the anime until the Wano Country Arc) ending in a spherical pommel, and a large, curved blade attached to the pole with a brass bolster, decorated with a relief of a sea snake, and langets protruding onto the blade itself.Yoru is one of the strongest swords in the world, ranked as one of the 12 Supreme Grade swords.[1][2] It is a Black Blade (黒刀 Kokutō?) that is currently owned by Dracule Mihawk, the "Strongest Swordsman in the World