Skull

The Skull is an extremely rare vanity item that has a 0.2% chance of being dropped by Skeletons in the underground.

Potentially a reference to "The Legend Of Maxx", in which Maxx kills a Skeleton and wears its skull. Terraria has made references to this webcomic before.

Tips

 * This item can be farmed very easily by setting up a Skeleton Statue to an automatic farm