The Shadow of Raez, First-born of Barur (Raise)

This is a DnD 5e template for a demonic possession from one of the most powerful beings in Barur/Earth . Raez can spread this influence across multiple beings.   Requirements: Proficiency in Stealth. Neutral alignment in some form. Above level 5.   Resistance against Necrotic Damage.   In dim light or darkness, resistance against damage that isn't force psychic and radiant.   Adv on stealth while not in bright light.   Standing still in darkness gives +5 to stealth.   Through the Impossible:   You become unseen, but not because you are invisible, but because you gave found a way to traverse through space while riding through a smaller, alternate dimension. As a bonus action, expend Hit Dice equal to half your proficiency (minimum 1), to gain a passive bonus to your stealth for up to 10 mins equal to the Hit Dice rolled. While under this affect, you can reroll stealth checks once per turn.   Adjacency: Once per short rest, you spend 5 Hit Dice to instantly teleport to the Ethereal plane and then move up to 150 feet away. You cannot affect those in the Material Plane during this movement, and when you come of the Ethereal Plane, this adheres to normal DnD rules about occupying spaces.   The Impossible is Mine: At level ten, you have master the command of Dark Matter and Raez's glory, and you can pick one of the choices below to modify the above abilities, Through the Impossible and Adjacency.   Master of Life: Once per long rest, you ignore the Hit Dice cost of both abilities equal to your proficiency modifier.   Master of Stealth: You always roll with advantage on stealth checks, and if another source gives you advantage, you can roll a third check and take the highest amongst the three.   Fallen Enigma: At level 15, you gain access to the sight and movement of the ancient god Raez. As an action, pay half your Hit Dice (round up, minimum 8), to teleport to a location you have previously been or can currently see, taking up to Proficiency other living creatures with you. You self and each passenger suffer damage equal to half your Hit Dice rolled.