Mind-Swapped
Traits
Each creature gains the other’s mental ability scores (Intelligence, Wisdom, Charisma), trained capabilities (class features, proficiencies, saving throw bonuses, skills, spellcasting), languages, and mental powers, such as spell-like and supernatural abilities. A creature retains any senses based on other abilities it retains. The effectiveness of retained abilities is based on the creature’s original level or CR. Each target also retains its Hit Points and Stamina Points. A creature in an unfamiliar body gains the following trait.Apply this graft to each creature involved in a mind swap.
Source
Alien Archive 3 pg. 137