Thunderbolt Ether

Thunderbolt Ether is a mid-sized container of highly dense, compressed thunder-aspected ether. Used mainly by Thunder Units to advance on the Mana Board.
 * Also known as Tier 6 Thunder Material or " T6 Thunder Mat. " for short.

Usage

 * Learn and enhance abilities and skill levels of Thunder-element Unit's Mana Board.

Obtain From

 * Event Item Exchange
 * Solo Boss Challenges