Dark One's Blessing is a Warlock feature gained at level 3 in the 2024 SRD. When you reduce an enemy to 0 Hit Points, you gain Temporary Hit Points equal to your Charisma modifier plus your Warlock level (minimum of 1 Temporary Hit Point).
When you reduce an enemy to 0 Hit Points, you gain Temporary Hit Points equal to your Charisma modifier plus your Warlock level (minimum of 1 Temporary Hit Point). You also gain this benefit if someone else reduces an enemy within 10 feet of you to 0 Hit Points.