The Fire Demon

The Fire Demon is a mob that spawns "The world is blazing hot!" biome. It has 4 Mil HP and is relativly powerful for when you should encounter it in-game.

Drops:

Igneous Crystal (50%~), 3 Helite (100%), The Fire Demon's Excalibur (25%~).

Most people view The Fire Demon as an RNG wall.

4 spawn in Tartarus when the gatekeeper is destroyed