Prerequisite: Spellcasting or Pact Magic feature
Performing and completing the requirements of the contract between you and Duke Azul has granted you with enhanced vision. Your eyes can now read and understand all written languages. Your eyes also gives you the ability to see normally in darkness, both magical and nonmagical, to a distance of 120 feet. However whenever you use the eyes magical powers the whites of your eyes turn to a sickly yellow.
Add the warlock invocations: Devil's Sight and Eyes of the Rune Keeper.