Fire Demon

Strategies
Useful to change the terrain for a lava based team. ... is what the Gallery says, but that's outdated. Fire Demons are now all rounders.

Playing Against
Due to FlameStrike being a fixed skill, try to spread out your units when engaging the Fire Demon. Also keep in mind, that FlameStrike has a high mana cost. As such, the Fire Demon will often only be able to cast the spell once per fight.