You gain proficiency in the deception and persuasion skills.

Whenever you deal damage to a creature you can deal 1d4 extra necrotic damage. this becomes 2d4 at level 5, 3d4 at level 11, and 4d4 at level 17. You can use this feature an amount of times equal to your proficiency bonus.

You have advantage on saving throws against spells and other magical effects.

You have darkvision with a range of 60 feet, and a blindsight with a range of 15 feet.