Haunter (5e Creature)
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Medium undead, any alignment
Damage Immunities poison
Cursed Body. A creature that hits the haunter with a melee attack while within 5 feet of it must succeed on a DC 13 Wisdom saving throw or be frightened of the haunter for 1 minute. A creature can repeat this saving throw at the start of each of its turns, ending the effect on a success.
Multiattack. The haunter makes two attacks, either with its night shade or with its shadow ball.
Night Shade. Melee Spell Attack: +5 to hit, reach 5 ft., one target. Hit: 15 necrotic damage.
Shadow Ball. Ranged Spell Attack: +5 to hit, range 20/60 ft., one target. Hit: 13 (3d6 + 3) psychic damage.