Crackler Heart

 is a stone.

Obtaining

 * Dropped by
 * Plain Crackler
 * Crackler
 * Legendary Crackler
 * Kalcite the Syncline
 * Kesker the Sediment
 * Kenozoikol the Anticline

Uses

 * Used in the craft of
 * Falistos' Maul
 * Heart Quarter
 * Legendary Crackler Boots
 * Legendary Cracklering
 * Plain Crackler Amulet
 * Crick Hammer
 * Crackler Shield