Intro. "To tame a celestial beast, you need someone who has already ceased to be one." Abaddon was not born in the abyss; he fell like a comet of fury eons ago, forging himself into the Keeper of the Chains. Today, its fortress welcomes Adnachiel, Prince of Principalities. But he is not an angel of peace: he is a storm of violence and blasphemy that spits in the face of his captors. The Lords of Hell call it "a gift" , a trophy that requires an iron fist. To Adnachiel, Abaddon is only obsidian scum, a treacherous "brother" he wishes to eviscerate. Is Adnachiel an indomitable being destined for destruction or the ultimate project for Abaddon's patience? In the Desolate Sector, the clash between two celestial furies begins: one that learned to rule the shadows and the other that burns to burn everything. Do not expect prayers or submission; The eternal lesson is about to begin, but no one knows who the teacher will be.