Soul drain . 
every time the accursed makes a successful attack on a creature it heals 1d6+4 hit points and the creature that was hit takes 1d4 necrotic damage on its next turn 

Action Name. Enter the description for your action.

Accursed claw. Melee Weapon Attack: +4 to hit, reach 5 ft., 1 target. Hit: 5 (2d6 + 2) [slashing] damage.

Festering wound if a target falls below 10 hit points from an Accursed claw attack it must succeed on a dc 10 con save or become an accursed wendigo over the span of 5 nights once a creature has starting turning the only way you can reverse the effects is to cast a healing spell on par or greater than : lesser restoration. Once a creature has fully turned into an accursed wendigo it loses its personality and desires to kill and consume every living thing it sees once a creature has fully turned the only way to reverse the effects is a wish spell.

Accursed bolt. The accursed summons three ghostly bolts of dark energy that shoots toward the nearest creature RangedWeapon Attack: +3 to hit, range 5/50ft., 1 target. Hit: 4 (1d4 + 2) [necrotic] damage.

As a bonus action the accursed can summon the spirits of those sit has killed in the form of a floating orb that is bound to the accused's will 

Accursed bolt. As a reaction the accursed can shoot one accursed bolt or preform one claw attack.