Apocalypse Dragon Slayer Magic

Apocalypse Dragon Slaying Magic is one of the most powerful dragon slaying magics in all of Fiore. It is a Caster Magic, Lost Magic and Slayer Magic which revolves around the ability to wield and consumeraw ethernano. Another name for this type of magic is 'Energy Dragon Slaying Magic. 'However due to this magic being taught by Acnologia, its name has changed. The only known wielder of this magic is Draken Dragonia.

Description
This magic involves the use and consumption of raw ethernano. However, when Draken wields it, the color of the magic turns black with streaks of purple in it and gives off a terrifiying aura. When Gildarts and Draken clashed fists, Gildarts described the magic as a presence of death. When Draken enters Dragon Force, the magic gives him the tattoos that are on Acnologia's body.