Magic could be mysterious, but sometimes, some power feel totally aberrant and unearthly. You where affected by an alien influence at some point of you life. Maybe you have a strange experience with an aboleth or a mind flayer, or maybe you where touch by a psychic wind from the astral plan? Regardless, you start to unlock psionic power within you

-Increase your Intelligence or Charisma score by 1, to a maximum of 20.

-You learn two of the following cantrip: friends, mind sliver, minor illusion, mage hand, true strike or vicious mockery.

-You can, a number of times equal to your Intelligence of Charisma modifier (depend of each one of this stat you choose to increase) gain resistance to psychic damage or gain advantage on saving throw against being charmed or frightened.

-If you are a sorcerer with the aberrant mind subclass, this feat increase by 5 minutes the duration of you "Telepathic speech" class feature and give you an additional spell of your choice. This spell count as a sorcerer spell and doesn't count against your spells known, but it have to be a spell from the sorcerer spell list, being from the enchantment or divination school and you have the require spell slot to cast it.