Balrog

Balrog (발록 Balrog) is the boss of the Tutorial Towers who resides on the 100th floor. He's the final monster that acts as a gatekeeper to the portal. Those who defeat him can exit the tower and become hunters. However, 70 out of 95 hunters are killed by Balrog, making him the hardest monster in the tower. Balrog will always respawn when a new group of trainees appear.

Appearance
Balrog is a large, demonic creature with dark grey skin. He has horns, eyes, arm spikes, arm markings, gills, and nails that are all red. He also has overflowing red-orange hair that resembles flames. His tail also has a row of spiky hair.