Minecraft Dungeons:Wisp

The Ghost, also known as the Wisp, is a passive non-attackable mob found within the Woodland Prison Ancient Hunt.

Behavior
Not much is known about its behavior other than that it leads players to an Obsidian Chest.

Trivia
The Wisp is not considered a mob in the game files, it is considered as a clue leading to the Obsidian Chest.