The creatures Soul has been defiled by a fiendish scar which marks them as the enemy of a powerful Fiend.
This Fiend always knows the creatures location, but cannot see or hear them.
The Fiend can cast Psychic Sending at will to this creature, and the Target receives the Message Exchange even if on a different Plane.
This Fiend has ADV on Attack Rolls against the Target, and deals an additional Psychic damage whenever it deals damage to this creature.
If Target sees the Fiend, it has to make a DC Soul Contesting Roll or be Frightened until the start of its next Turn, and repeats the Contesting Roll at the start of each Turn.
You feel the fiendish scar burning on your soul, marking you as the enemy of a powerful Fiend. The Fiend always knows your location, sending chilling psychic messages across planes.