Blaze Release: Heavenly Fire Sword Technique

Uchiha Razvan uses this technique to apply Shape Transformation and chakra flow to engulf his desired weapon in the intense black flames of Amaterasu.After the weapon is covered in the black flames,anything it touches will burned by the flames and incinerated,like normal fire chakra would,but more deadly since the flames cannot be extinguished.

Razvan can also use the technique to send large black fire arcs at this enemies,which can set a large area on fire in seconds.