Gift of the Djinni

You’ve manifested some of the power of a Djinni, granting you the following benefits:

• Increase your Strength, Constitution or Charisma by 1, to a maximum of 20.
• You gain a flying speed equal to your walking speed.
• You can cast the thunderwave spell as a 4th-level spell, without expending a spell slot, and you must finish a long rest before you can cast it this way again. You can also cast this spell using spell slots you have. The spell’s spellcasting ability is Intelligence, Wisdom, or Charisma when you cast it with this feat (choose when you gain the feat).