Shadow (Heartless) (5e Creature)
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Small fiend, neutral evil
Claw. Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit: 3 (1d4 + 1) necrotic damage.
Shadowmeld (Recharge 6). The shadow sinks into the ground until the start of its next turn. While in this state, it cannot attack or be attacked, and its speed increases by 10 feet.
Shadows are the lowest form of Heartless, formed from stolen hearts. They are cowardly, but they attack in groups of eight to twenty and can become overwhelming quickly.