Wings of the Betrayer are an aesthetic wing set for Diablo III, available for players who purchase the digital or collector's edition of World of Warcraft: Legion. They are modeled after the wings of Illidan Stormrage. They were released on January 12th, 2016 with the release of patch 2.4.0.
Only one set of Wings can be equipped at a time, and these will be visible even on character selection screen.
You are not Prepared! — the Betrayer