From Trick or Treat Studios. Trick or Treat Studios is proud to present the officially licensed, Dungeons & Dragons: Beholder Mask. The Beholder is one of the earliest D&D creatures and a true fan favorite! Expertly sculpted by Chris Williams, this latex mask features 10 protruding eye stalks, spikes and a gaping, toothy maw, this mask is sure to terrify! Level up your game night or wear your fandom to the next Halloween party!