u/Fox-undead

The whole premise of the story is that suddenly holy war pops up between heaven and hell, leaded by the serpent or dragon of the Bible and Lucifer and against Arc Angel Michael the two protagonists both gain powers from each side.The one blessed/cursed by hell gains the ability to get a gets stronger by killing. And the other is blessed by Arc Angel Michael and even gains his sword , which looks like a feather?

The whole premise is that there is a holy war suddenly abrupt? Where Demons suddenly start appearing, and the 2 protagonists are swept in the middle of a battle between archangel, Michael and the serpents of the bible and Satan, one of the protagonists gets cursed by Lucifer and demons and gains their powers to get stronger through killing. sent to hell to train , while the other is blessed by remnants of archangel, michael and gaines's his sword, which looks like a feather.