Culvert Ooze
Large ooze, unaligned
Something got into the storm drains below the locks and learned the shape of pipes. It waits where the brick narrows, patient as sediment, and what goes in as a skiff scraper comes out as a stain.
Armor Class 13 (flexible membrane)
Hit Points 123 (13d10 + 52)
Speed 20 ft., climb 20 ft., swim 20 ft.
- STR
- 16 (+3)
- DEX
- 6 (-2)
- CON
- 18 (+4)
- INT
- 3 (-4)
- WIS
- 8 (-1)
- CHA
- 3 (-4)
Saving Throws Con +6
Damage Resistances acid
Condition Immunities blinded, charmed, frightened, prone
Senses blindsight 30 ft., passive Perception 9
Languages —
Challenge 4
Traits
Squeeze. The ooze can move through a gap 1 foot wide without squeezing and can enter a hostile creature's space.
Clog (Recharge 5–6). When a creature within 5 feet hits the ooze, the ooze folds around the blow. That attacker is restrained until the end of its next turn.
Actions
Multiattack. The ooze makes two pseudopod attacks.
Pseudopod. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 14 (2d10 + 3) bludgeoning damage plus 3 (1d6) acid damage.
Engulf. One Large or smaller creature in the ooze's space must succeed on a DC 14 Constitution saving throw, taking 14 (4d6) acid damage and being grappled (escape DC 14) on a failed save, or half as much damage and no grapple on a successful one.





