Forge is a Fire-affinity component. It is under the Offense tree.
Effect
Smelts the target block. Does not give XP from smelting.
Requirements
All the following items must be unlocked to be able to unlock Forge.
Trivia
Forge is under the Offense tree, rather than the utility tree. This is not a glitch
Forge can be used for instant mining spells as it can give the player bars of metal instantly without the need for a furnace.