Amadeo el primogénito

the first cosmic horror and primal son of the almighty is a dark being literally the only thing that can be seen of his face are his white eyes he hates those who follow gods other than His father, the almighty Christian God, his appearance is similar to that of a being from a Lovecraft book and is somewhat more dangerous than any being that exists in Warhammer 40k. He is a 179-kilometer-high murderer of pure terror. He has several children who He had the same woman who was an amalgam, his children are called cram, est, ome, gargal, Gil, alde, ul, hell, krel, oz, azama, shoco, adon, and pereno, who like their father will be willing to create horror for those who do not follow their religion

Harpy's Armageddon is a suseso that happens every 9 thousand years where Amadeo wakes up from his deep sleep and murders the beings who do not follow their father