Sword of Kagutsuchi

By applying shape transformation to it's orb of flame, Sasuke's Susanoo manifests a blade for the purpose of slicing, and piercing its targets and setting them ablaze with the inextinguishable flames of Amaterasu.

Trivia

 * In chapter 585, Sasuke simply referred to this technique as Blaze Release: Kagutsuchi. However, in Naruto Shippūden: Ultimate Ninja Storm 3, it was given a unique name.

Espada Kagutsuchi