The Lair of the Evil Dragon is the 1st dungeon located in the Temple of Pluton. It is needed to complete the first scenario quest. The Fieries are the biggest threat of the dungeon, as they have the highest health (which is around 3,000) and fly in the air. Invoke is the boss of this dungeon. Nue is the Mid-Boss.
Mabem Soul (Revived from Mabem)
Nue (Mini Boss)
InvokeEX (Revived from Invoke in final map, Boss)
Zoe (Quest Boss)
Mabem:All except for second-to-last room
Mabem Soul:All when a Mabem is defeated except for second-to-last room.
Fierie:All except second-to-last room
Sir Percival:All except for second-to-last room.