Flaming Heart

The  is a item that is dropped by the Lava Flame.

Obtaining
The can drop from the Lava Flame, which can be fished up from Lava in the Crimson Isle.

Essence Crafting
Flaming Hearts can be used to add Stars to pieces of gear:
 * Inferno Rod
 * Hellfire Rod
 * Flaming Chestplate