Multiattack

The lorelei can use her Stunning Glance. She then makes three Psychic Blast attacks. She can replace one attack with a use of Corrupted Kiss.

Corrupted Kiss

Melee Spell Attack: +8 to hit, reach 5 ft., one willing creature, or a creature that is incapacitated or restrained. Hit: 14 (2d8 + 5) necrotic damage, and the lorelei regains hp equal to that amount.

Psychic Blast

Melee or Ranged Spell Attack: +8 to hit, reach 5 ft. or range 60 ft., one target. Hit: 12 (2d6 + 5) psychic damage.

Stunning Glance

The lorelei sends a seductive glance at a creature she can see within 30 feet of her. The target must succeed on a DC 15 Wisdom saving throw or be stunned until the end of its next turn. On a successful save, a creature is immune to this lorelei's Stunning Glance for the next 24 hours.