Swarm Body

The creature is composed of thousands of leeches clinging to a host.

• Cannot be grappled.

• Can move through a space as narrow as 1 inch.

• If reduced below 50 HP, its AC becomes 14 as flesh is exposed.

Temple Regrowth

At the start of its turn, leeches spill from cracks in the temple walls.

It regains 15 hit points automatically.

If the party destroys temple growth nodes (AC 14, 20 HP, 3 around room), this healing stops.

Blood Feast

Whenever the creature deals damage with a melee attack, it heals for half the damage dealt.

Multiattack

Makes two Slam attacks.

Slam (Leech Mass)

Melee Weapon Attack: +7 to hit, reach 5 ft., one target
Hit: 16 (2d10 + 5) bludgeoning + 7 (2d6) necrotic

Target must succeed on DC 15 Con save or become Infested.

Infested Condition

At start of target’s turn:

• Takes 7 (2d6) necrotic damage

• Speed reduced by 10 ft.

Target can use an action to scrape off leeches (DC 14 Athletics or Acrobatics).

Fire damage automatically removes infestation.

Engulf (Recharge 5–6)

The creature surges forward.

Target must make DC 15 Dex save or be engulfed.

While engulfed:

• Restrained

• Blinded

• Takes 21 (6d6) necrotic at start of each turn

• Creature heals equal to damage dealt

Escaping requires DC 15 Strength check.

If engulfed target drops to 0 HP:
Leeches abandon body and swarm another target within 10 ft.

Splatter of Rot

When hit by melee attack, attacker takes 5 necrotic damage unless they succeed DC 14 Con save.