Medium medium swarm of tiny undead, neutral

Armor Class: 12 (Natural Armor)

Hit Points: 35 (4d8 + 5)

Speed: 30 ft , swim: 10 ft , climb: 30 ft

STR

14 +2

DEX

14 +2

CON

10 +0

INT

3 -4

WIS

10 +0

CHA

4 -3

Saving Throws: WIS (+0)

Damage Vulnerabilities: Fire

Damage Resistances: Necrotic, Nonmagical Bludgeoning, Piercing, & Slashing

Damage Immunities: Poison

Condition Immunities: Charmed, Frightened, Grappled, Incapacitated, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned

Senses:

• Corpse Seekers. The Flood Crawler has advantage on Wisdom (Perception) checks used to find dead creatures.
• Passive Perception: 10

Languages: None

Challenge Rating: 1/4

Actions

• Attach. Melee Weapon Attack: +3 to hit, reach 0ft., one target. The target must make a DC 15 Dexterity saving throw or the Swarm of Flood Crawlers attaches itself to the target with its tentacles, grappling it (escape DC 15). Creatures that are Medium or smaller make the save with disadvantage. Creatures grappled by a Swarm of Flood Crawlers may repeat the save at the start of each of their turns.
• Infect. Melee Weapon Attack: +3 to hit, reach 0ft., each creature grappled by the Swarm of Flood Crawlers. Hit: 20 (3d8 + 5) piercing damage or 10 (2d6 + 2) if the swarm is bloodied. If the creature is reduced to 0 hit points, the Swarm of Flood Crawlers loses 5 hit points and kills the target, which becomes a Flood Combatant.