An application of Kagutsuchi through Susanoo, the eternal flames of Amaterasu are formed into weapons from the black orb held in the secondary right arm of Sasuke Uchiha's Susanoo. Among these weapons are swords, which can be utilised to cut through strong defenses[1], and incinerate anything they pierce[2]. And arrows, that can be fired from its bow for a similar effect.[3]
Trivia
- In Naruto Shippūden: Ultimate Ninja Storm 3, the sword version is named "Sword of Kagutsuchi" (加具土命の剣, Kagutsuchi no Tsurugi, literally meaning: Added Tool Earth-Lord Sword).