Mint Choco is, in the truest sense of the word, a Support Cookie. He heals his team of 95% of the damage taken at a base level and boosts the ATK speed by a full 40% (at base level) for 7 seconds.

Mint Choco Cookie's skill, Battle Symphony, restores Hit Points of allies by healing them at 95.0% of Attack and increasing the squad's Attack Speed (+40.0% ATK SPD for 7.0 sec).