Illithid Powers

Your alien nature to this realm has effected the weave of magic around you. 
When you take this feat you gain the following effects :-

• You gain resistance to Psychic damage.
• Any spell you cast has it damage type changed to either Psychic or Force, in addition to its other effects.
• When an enemy casts a spell within 30ft, you can use your reaction to deal 1d4 Psychic damage to the caster.