Reincarnated as the Weakest Noble Son, I Master Dark Magic

The Balfont family wields absolute authority over the kingdom from behind the scenes, orchestrating warfare, assassination, and espionage with ruthless precision. Reborn as their youngest son, Alphis, I find myself trapped in a precarious position. My older brothers despise me, viewing me as nothing more than a pathetic mid-boss and the weakest link in their formidable lineage. Yet, they are unaware of my greatest advantage: the extensive knowledge I possess from playing this world's game countless times in my previous life. With that intimate understanding of its mechanics and secrets, I hold the potential to surpass every other character in existence. By mastering the forbidden arts of dark magic, I intend to transform my reputation as the weakest noble into an unstoppable force, aiming to become the strongest being in the world. What follows is a thrilling ascent to power that refuses to bow to fate. Armed with foresight and devastating magic, I am prepared to crush everything standing in my path—even if it means completely shattering the game’s original storyline.