NT-D System

Now you're Prototype Full Psycho-Frame Mobile Suit and have NT-D System that build for destroy Psychic user but you used by Psychic user.

Whatever you enter Rage. You release ture form and I-Field (Invisible particles) 30ft.from you. It'll reduce all magic spell damage by half for everyone (even spell cast by allies). Also give advantage all savingthrow for Allies in this I-Field. 

Because you're Prototype Full Psycho-Frame Mobile Suit. When you active this feat it'll show an Psycho-Frame that glowing Psycho-Frame light(you choose) you body sheds Dim light for 20ft. That make you disadvantage for Stealth check and give -20 penalty when doing Stealth check

You can use Telepathic with everyone in this I-field but it's one way no one can't respond back to you.

So if someone use magic items,spells or weapons that deal Psychic damage or do something about Psychic. It'll force you to enter Rage to active NT-D System immediately and only focus the Psychic user.

If NT-D System active you will deal double damage to Psychic user and have resistant Psychic damage. The Psychic user can't hide from you even use invisible (except that Psychic user escape to another dimention or run away from you more than 300ft.). But you can't do Critical hit other than Psychic user.

If you don't want to active NT-D System if someone use Psychic thing. You must succeed DC 15 Str. savingthrow for not enter rage to active NT-D System and if you succeed Strength savingthrow. You should succeed DC 10 Con. Savingthrow to didn't get Paralyzed for one turn. But if you fail the STR savingthrow you must succeed DC 15 Con. Savingthrow to not focus the Psychic user.

If you fail all Savingthrow to not corrupted by NT-D System. Your allies can shout to make you not corrupted by NT-D System. By succeed DC10 Wis. Savingthrow for three turns to make you use NT-D System normally.

For someone who confuse.

If you active NT-D System by enter rage while no one use Psychic thing. You'll not to roll any savingthrow to being corrupted by NT-D System and not gain ability todo double damage to Psychic user and still can roll Critical hit like normally.

But if you active NT-D System by someone doing Psychic thing. You'll Corrupted by this system untill you kill that Psychic user, pass your savethrow or your allies drag you out by talk to you alot to succeed Wis savingthrow.

And if succeed struggle free from the corrupted NT-D System. You'll not recive any bonus other than I-Field,Telepathic,Normal Rage and Psycho-Frame still sheds lights to make you can't Stealth.