Crumbling Radiant

Data
Locations & encounter rates:
 * Crystal Caverns, Crystal Quarry - 100% - Overworld Encounter

Combat

 * Will apply as its normal attack.
 * Counterattacks with either Mana Beam or Igneous Wave.
 * Mana Beam drains mana based on damage dealt and deals excess mana damage to HP.

Trivia
Although this enemy appears in Chapter 6 it is the first enemy not meant to be fought in the chapter it is introduced in.