Internal Prosthetic Attachment - Brain

Attached to deal with complex internal damages, these essentially replace a internal organ of a human and reworks the function. Depending on the part, the replacement provides certain abilities to the person. 

• Brain - Intricate procedure done to extreme and irrecoverable damages in the Brain. With this prosthetic, the wielder gets a replacement Brain akin to that of a Mind Flayer which is much more trained to protect itself from psychic effects. This effect in turn imbibes the wielder with extraordinary Intelligence. (Ability Score goes up by 2 and the wielder is resistant to Psychic Damage. They can't be detected by other Mind Flayers)