Sage Art:Enhancing Dark Jutsu-Ragnarok

The Technique is a Ability a Uchiha attains after mastering Amaterasu at it's highest stage,It's a very rare technique,That only few Uchiha with Mangekyo Sharingan,The User firsts summons the Black Flames of Amaterasu on themselves,And without getting burnt,they are sent into This Art,This Truly Despicable Technique is so dangerous that even skilled Shinobi can't attain,without years of training and Hard Work and Dedication towards this Technique.