Spellcasting. Erak'tabb is a 4th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 15, +6 to hit with spell attacks). Erak'tabb has the following spells prepared:
Cantrips (at will): Light, Acid Splash
1st level (5 slots): Chromatic Orb, Healing Word, Ice Knife
2nd level (3 slots): Kinetic Jaunt
Tainted Thunderstorm. Ranged Weapon Attack: +2 to hit, range 20 ft., 1 target. Hit: (2d8) lightning damage.
Shadow Strike. Ranged Weapon Attack: +2 to hit, range 30 ft., 1 target. Hit: (1d12) necrotic damage.
You have disadvantage with this attack if the target is surrounded by bright light.