MTL - Comprehensive Manga: a Journey Through the Supreme Being

In Zoroastrianism, the mother of evil gods is the source of all evil and darkness! Legend? Created six demons of “Malicious”, “Chaos”, “Aging”, “Defection”, “Weakness”, and “Destruction”! Saigo, who obtained the spirit of the “Mother of Evil Gods” in Hakoten, became the “Supreme Supreme” in the overlord; Look at the ‘ruler of death’, ‘Void Witch’, ‘Tivat’s Demon God’, ‘The Great Demon of Gensokyo’, ‘Dxd’s Demon’, ‘Creator of Demon God Pillar’ and others; Xixiang is convinced that he has lived up to the name of the “Evil God”; That being the case, he would shout out the phrase – God is dead! - Description from novelbuddy