Bat-Cloak

While wearing this cloak, you have Advantage on Dexterity Stealth checks. In an area of Dim Light or Darkness, you can grip the edges of the cloak and use it to gain a Fly Speed of 40 feet. 

Notes: Advantage: Stealth, Set: Innate Speed (Flying), Resistance: All, Movement, Shapechanging, Deception, Outerwear