The titular energy of Nightmare is his capacity to look in desires, either ahead of the sufferer had encountered him inside the flesh inside a kind of unwell omen or while in the minds of survivors after a terrifying assault. He can change towards the astral and ethereal planes. https://e-bookmarks.com/story5432260/the-smart-trick-of-nightmare-mu-online-season-20-that-no-one-is-discussing