Spectator

A relative of the beholder, the spectator is a guardian of places and treasures, and capable of limited planar travel. Once it is given a task, the spectator will watch for up to 101 years. It will allow no one to use, borrow, or examine an item or treasure, except the one who gave it its orders. The spectator has a large central eye and four smaller eye stalks protruding from the top of its hovering, spherical body.

Note: Spectators originally appeared in this form in the 2nd Edition Monstrous Manual for the AD&D game from TSR. Their use here is for the purposes of providing context for the campaign only.