WN/Zegion

Guardian of the 80 floor.

Personality
He is extremely loyal to Rimuru. This reflected when the group of soldier accidentally mistook him for Rimuru, Zegion became enraged because this seemed like an insult to his Demon Lord.

Background
When he was weak insect, he was saved by Rimuru and placed into the higher floor of the Labyrinths to avoid adventurers. However, he quickly became stronger and currently, he's the strongest monster in the Labyrinth and one of the strongest monsters in Tempest.

Abilities

 * Fantasy or Illusion King Mephisto