Harry Potter's: Cursed Blood

Lucien, destined to tread a bloody and solitary path, finds himself immersed in a moral abyss where the boundary between good and evil dissolves into unfathomable shadows. The responsibility he accepts is overwhelming and painful, evolving into an unbearable burden for any human being. In the shadows, unnoticed by anyone, he surrenders to a harrowing series of sacrifices. Each life taken leaves behind an indelible trail of despair, forging a ladder of blood and tears that will compel him to ascend. Every step of this macabre climb represents a test of his lost humanity, and every drop of spilled blood resonates as an echo of his dark decisions (English is not my first language, so I'm using an ai to help me translate)