Coin of the Abjured Soul

"In your hands, a bronze coin. Smooth and cool to the touch, it radiates immense power - yet the aura is comforting, as if you were being enveloped in a thick woolen sweater."

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Mechanics

A large coin (roughly the size of a platinum) forged from the bronze of Mount Celestia. Its obverse (heads) side depicts an ouroboros - a snake consuming its own tail; its reverse (tails) side depicting an ornate eye.
Once every twenty-four hours, the holder can flip this Coin. If the Coin lands on the ouroboros, the spell Mind Blank is cast upon the holder. If the Coin lands on the eye, the spell Nondetection is cast upon the holder.
While attuned, the holder has resistance to psychic damage.
If the Coin is separated from the holder's person, the object automatically unattunes itself. If the Coin and the holder are separated for more than twelve hours, the Coin's physical properties are lost and thus becomes a normal platinum piece. This object cannot be stored within the body of a holder, it must be held in a pocket or some other form of equivalent storage.

History

The Coin of the Abjured Soul was created of a Wish spell by the individual known as Loki. As The Killjoys fought The Smiling God, magic had begun to unravel throughout the Chromatic Palace. Loki had cast a simple spell, yet thanks to the sudden dysfunction of magic, was provided with a single Wish.   
Miraculously, it seems as if Lation took mercy on the Wisher. He gifted her an item of incomprehensible abjurative power.

Item type

Magical

Creation Date

Horsebow Moon 5, CY 1679

Current Location

Valenacht

Current Holder

Loki

Rarity

Has to be wished into existence.