Throughout the series "Solo Leveling," the protagonist's abilities evolve significantly. Starting as the weakest hunter, Sung Jin-Woo gradually becomes one of the most powerful hunters as he gains experience, levels up, and acquires new skills and powers. His growth includes improvements in combat skills, increased agility, enhanced strength, and the ability to summon powerful shadows to aid him in battles. Jin-Woo's evolution showcases his journey from a novice hunter to a formidable force in the hunter world.