Essentiam Inferno (エッセンスインフェルノ, Essensuinferuno; Japanese and Latin for "Hell's Essence") is the name called to a material/substance that once can only be found in the darkest pits of Hell. Sometimes unappropriately called as Dark Matter by those who had gained usage of such material. It is said that powers that could never truly be explained will be given to those who is able to handle Essentiam Inferno.