Board Thread:Questions and Answers/@comment-186.226.195.66-20200126005831/@comment-186.226.195.66-20200126014214

"Black battle maidens, valkyries that have fallen even deeper into a devilish nature by becoming self-conscious of the obscene desire growing within them. Their once pure white wings have been stained black by demonic energy" wiki https://monstergirlencyclopedia.fandom.com/wiki/Dark_Valkyrie

why? just the fact that you desire creates demonic energy?