Heart

Hearts (or Candy Apples during Halloween and Candy Canes during Christmas) are common power-ups which can be dropped by slain enemies (with a chance of 1/12 (8.3%), as long as the player is below maximum health), broken Pots, or as a bonus drops from slimes. They are not inventory items, but are instead instantly consumed and restore 20 health. Enemies will only drop Hearts if the closest player is not at maximum health. They emit a faint red light.

It is also possible to spawn Hearts (and their seasonal counterparts) with a Heart Statue.

Hearts can be collected within a range of 2 blocks, which can be increased with a Heartreach Potion.

Trivia

 * Although Hearts are instantly consumed on pickup, it is possible to hack in Hearts into the player's inventory through the use of inventory editors. The hacked-in Hearts still act like normal Hearts, and will still be consumed on pickup, after dropping them in front of the player.
 * Hearts obtained this way cannot be duplicated in, displaying an X in place of the research requirement.
 * A cloud in the shape of a heart can occasionally be seen in the background.
 * In worlds, all Hearts have a  chance to be replaced by Candy Apples and a  chance to be replaced by Candy Canes, regardless of season.

History
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