Dark Release: Flames of Hell

'Dark Release: Flames of Hell is a jutsu created by Rokurō Unno and is one of his 5 dark elemental jutus. To use he gathers darkness around his body and feeds fire chakra into it. Thus turning it into searing black fire. Like normal fire it is able to burn. The dangerous ability of this attack is tat it is able to burn chakra that it comes in contact with it.