Triptych Mask
From MediaWiki
The three-faced Triptych Mask, or Onyx Triptych, of Onyx Prime allows him to see other times, places, souls, and even the afterlife.
Fiction
The Covenant of Primus
IDW Generation 1 continuity
Alpha Trion named the Onyx Triptych as one of the artifacts and weapons belonging to the Primes, along with the Enigma of Combination and the Star Saber, regarding them as "metaphors made real" that were unbeatable by 'ordinary' Cybertronians. Aphelion
