Enchanted Charcoal

 is an Minion Fuel that gives minions a 20% reduction in delay for a minion to take action (mining, killing, etc.) for 36 real-life hours. can be unlocked at and is a drop from Wither Skeletons at the Blazing Fortress.

Crafting
It is crafted using 128 Coal and 32 Wood.

or (shapeless):