Skill Thief's Ascension

Kevin, a calculating orphan haunted by the memory of his family's brutal demise, ekes out a meager existence in the shadowed alleys of Veridian. His secret? A cursed, yet invaluable, innate ability to instantly master any skill he witnesses, a power he keeps hidden after past betrayals. When a mysterious plague begins to steal the skills of powerful mages and warriors, threatening to plunge the realm into an age of forgotten knowledge and defenselessness, Kevin is forced to emerge from the shadows. To protect the innocent and uncover the truth behind this devastating affliction, he must leverage his unique gift, even if it means confronting the very forces that destroyed his past. The world's fate now rests on a silent observer who must become its greatest thief.