Caustic Crawler

Medium monstrosity, unaligned

Armor Class

14 (natural armor)

Hit Points

102(12d8+48)

Speed

30 ft.

Damage Immunities

acid, poison

Condition Immunities

poisoned

Senses

darkvision 60 ft.

Languages

-

Challenge

4

Acidic Blood

A creature that hits the crawler with a melee attack while within 5 feet of it takes 7 (2d6) acid damage.

Caustic Fumes

Any creature that starts its turn within 10 feet of the crawler must succeed on a DC 12 Constitution saving throw or be poisoned until the start of its next turn. On a successful saving throw, the creature is immune to the crawler's fumes for 24 hours.

Actions

Claws

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit 12 (2d8+3) slashing damage plus 7 (2d6) acid damage.

Acid Spray (Recharge 6)

The crawler spits acid in a line that is 30 feet long and 5 feet wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 28 (8d6) acid damage on a failed save, or half as much damage on a successful one.