Monster Veterinarian: I Grind Traits and Build My Own Beast Army

In a world where everyone unlocks combat classes, fate hands him the weakest profession: veterinarian. But what others see as a joke becomes his ultimate weapon. While warriors raid dungeons and mages hunt monsters, he's busy doing something far more terrifying—modifying beasts to fight for him and extracting their traits to upgrade himself. Looked down upon by everyone? Let them laugh. By the time they realize what he's built, his custom-made monster army has already conquered the world.