Sung Hyunwoo

A past friend of Jungbum whom he back-stabbed with Fabion.

Plot

 * gave blood gem to Kim Soobin to kill Sungyoon
 * Gifted a white gem to Sungyoon
 * Took Sungyoon with him to his personal labyrinth, the most high level labyrinth

Labyrinth
Personal Labyrinth- 4-5 hours away from Armstrong. Highest level of personal Labyrinth. Has Ogres and Bigfoot on the first floor.

Trivia

 * Gold Gems can hardly be a part of his backup gems
 * Traitor of humanity