Sung Il-Hwan

Sung Il-Hwan is a pivotal character in the manhwa 'Solo Leveling,' known as one of the first hunters to awaken in Korea. After disappearing during a dungeon break ten years prior, he returned with formidable powers bestowed by the Rulers. His strength was showcased when he easily defeated an S-Rank hunter, Hwang Dongsu, and later fought against multiple Monarchs to protect his son, Jinwoo. His journey transforms him from a background figure to a true hero, establishing him as one of the most powerful hunters in the series.