Solo Leveling introduces Sung Il Hwan, Sung Jin Woo's father. He was a celebrated S-Rank hunter. He vanished during a dungeon raid ten years ago. Presumed dead, his disappearance impacted his family.

Sung Jinwoo (Image via A-1 Pictures ... but another obstacle. Jin-Woo’s power struggle was always meant to be draining and an endless climb. There is a certain sorrow to his wins.