Spellcasting. The Wormpriest is a 6th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 15, +5 to hit with spell attacks). The Wormpriest has the following druid spells prepared:

Cantrips (at will): druidcraft, minor illusion, shocking grasp

1st level (4 slots): cure wounds, fog cloud, thunderwave

2nd level (3 slots): hold person, mirror image, misty step

3rd level (3 slots): dispel magic, [Tooltip Not Found] (see “Actions” below), sleet storm

Spear. Melee or Ranged Weapon Attack: +6 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 11 (2d6 + 4) piercing damage. 

Bolt teeth (3rd-Level Spell; Requires a Spell Slot). The priest unleashes a spray of teeth in a line 100 feet long and 5 feet wide. Each creature in the line must make a DC 16 Dexterity saving throw, taking 28 (10d6) piercing damage on a failed save, or half as much damage on a successful one.