Psionic Manifestations

Weather through training and meditation, innate ability, or a supernatural gift; you have access to a powerful psychic ability. Select one of the following psionic manifestations: 

• Flay- All creatures within a 60 ft. cone originating from you must make an Intelligence saving throw or take Xd8 psychic damage. X is equal to half your level, rounded up.
• Psychic Honing- You wreathe the blade of one weapon you are holding in psionic energy. For the next minute or until you drop or stow this weapon, it deals an additional 1d8 psychic damage whenever it hits. 
• Mind Fortress- For the next hour, you are immune to psychic damage, your thoughts can not be read, and you have advantage on Intelligence and Wisdom saving throws. 
• Intellectual Superiority- For the next minute, you may use your Intelligence or Wisdom modifier in place of any other ability modifier whenever you make an attack roll, ability check, or saving throw. 

You may use your psionic manifestation as an action once per long rest unless otherwise noted. The DC for any saving throws these manifestations require equals 8 + your proficiency bonus + your intelligence or wisdom modifier, whichever is higher. 

You may select this feat multiple times, each time either learning a new manifestation or gaining an additional use of a know manifestation.