Gift of the Air Elemental

Thanks to a special interaction with an Air Elemental, you gain the following benefits:

Ability Score Improvement. Increase your Dexterity score by 1, to a maximum of 22.

Languages. You can Speak, Read, and Write Auran.

Whirlwind. Once per long rest you may force all creatures within 15 ft. of you to make a DC 13 Strength saving throw, on a failed save the creature takes 2d8 bludgeoning damage, is pushed back 10 ft. and is knocked Prone.