Triple Threat Grotto

Information
Triple Threat Grotto is a dungeon created by the monster trio, Core 650, 651, 652 for the Triple Threat Dungeon Battle.

How/When was it created
It was created after the First yearly ranking, for the Triple Threat Dungeon Battle.

Areas/Floors
7 floors

Monsters

 * Bite Snake
 * Sea Snake
 * Big Frog

Boss Monster
Steel Slug - An enormous slug, covered with steel, so it looked like a tank.