I Can See Your Flaws. Now Let Me Turn You Into a Monster

The Royal Magic Academy rules the kingdom with an iron fist. Here, noble bloodlines and flashy, high-tier spells are everything. And then there is Class F. The commoners. The rejects. The talentless dregs who can barely light a candle with their mana, constantly beaten down by arrogant royals who treat them like dirt. To the academy, they are garbage. To the world, they are a lost cause. But to their new, quiet commoner instructor, they are the perfect canvas. Armed with a mysterious system that maps the human body down to its absolute limits, he doesn't care about flashy magic. He sees their stats, their hidden potentials, and every single fatal flaw holding them back. He doesn’t give grand speeches. He doesn't trade insults with the noble teachers. He just sits in the shadows, sipping his tea, and sharpening wooden swords. Traditional magic requires a ten-second incantation. A perfect, mana infused left hook takes a fraction of a second. "I can see your flaws. Now let me turn you into a monster." Step by step, the quietest teacher in the academy is building a terrifying army of unstoppable physical brutes. And with every drop of sweat and breakthrough his students achieve, a silent notification rings in his eyes: [Passive Mentor Bond Activated. You have received a 10% Feedback Reward.] The royals think they own the world by birthright. Until.....Mr Gage proves otherwise — Description from novelcodex.org