Dreamworker's Claws

+1 Claws (1d6 Slashing damage), Finesse, requires attunement
If a Warlock with the Shadowcat patron is attuned to these claws, they gain the following effects:
• Attacks with this weapon deal an additional 1d4 Necrotic damage.
• When wearing these claws, roll Eldritch Blast attacks with advantage.