Achroite are long-range combatants who charge up powerful abilities. While their stronger abilities require charging up over multiple turns, their effects can be released in severe bursts.
Seti are short-range combatants who get into the thick of battle. Seti empower their blaster rifles with chromatic energy to produce a variety of small, immediate effects.
Taes are masterminds who use physical and chromatic manipulation to control how allies and foes interact with the battlefield. Taes change how other characters play the game.