Fey Ancestry. The choldrith has advantage on saving throws against being charmed, and magic can't put the choldrith to sleep.

Spider Climb. The choldrith can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

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

Web Sense. While in contact with a web, the choldrith knows the exact location of any other creature in contact with the same web.

Web Walker. The choldrith ignores movement restrictions caused by webbing.

Spellcasting. The choldrith is a 4th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 12, +4 to hit with spell attacks). The choldrith has the following cleric spells prepared:

Cantrips (at will): guidance, mending, resistance, thaumaturgy

1st level (4 slots): bane, healing word, sanctuary, shield of faith

2nd level (3 slots): hold person, spiritual weapon (dagger)

Dagger. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. Hit:5 (1d4 + 3) piercing damage plus 10 (3d6) poison damage.

Web (Recharge 5–6). Ranged Weapon Attack: +5 to hit, range 30/60 ft., one Large or smaller creature. Hit:The target is restrained by webbing. As an action, the restrained target can make a DC 11 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; 5 hit points; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).