Monstrous Heart

Monstrous Heart is an item used to recode DNA of Guardians.

Usage
Recode DNA of Guardians:
 * x5 for S, SS, and Z classes
 * x3 for A and B classes

Availability

 * Achievements
 * Treasure Quest
 * Obtained by playing event quests:
 * Leviathan (Quest)
 * Zmey (Quest)