Smelter

Smelter is an unlockable activated item added in The Binding of Isaac: Afterbirth †.

Effects

 * Upon use, any trinkets that the player is holding are destroyed, and their effects are permanently applied to the player.
 * Increases the chance for a trinket to drop. (Has a 2% chance to turn the pickup variant into a trinket.)

Trivia

 * Smelter, alongside Marrow are currently the only items you can unlock from deafeating Mom's Heart or It Lives on hardmode.