Sunlight Sensitivity. While in sunlight, Yalaga has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Innate Spellcasting. Yalaga's spellcasting ability is Charisma (spell save DC 15). She can innately cast the following spells, requiring no material components:

At will: dancing lights

1/day each: darkness, faerie fire, levitate (self only)

Spellcasting. Yalaga is a 10th-level spellcaster. Her spellcasting ability is Wisdom (save DC 14, +6 to hit with spell attacks). The drow has the following cleric spells prepared:

Cantrips (at will): guidance, poison spray, resistance, spare the dying, thaumaturgy

1st level (4 slots): animal friendship, cure wounds, detect poison and disease, ray of sickness

2nd level (3 slots): lesser restoration, protection from poison, web

3rd level (3 slots): conjure animals (2 giant spiders), dispel magic

4th level (3 slots): divination, freedom of movement

5th level (2 slots): insect plague, mass cure wounds

Multiattack. Yalaga makes two scourge attacks.

Scourge. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:5 (1d6 + 2) piercing damage plus 17 (5d6) poison damage.