Yacumama

Armor Class 18 (natural armor)

Hit Points 179 (8d8 + 16)

Speed 20 ft., burrow 5 ft., climb 10 ft. Only usable for trees or and surface covered mostly by plants, swim 30 ft.

STR

25 (+7)

DEX

19 (+4)

CON

23 (+6)

INT

13 (+1)

WIS

12 (+1)

CHA

8 (-1)

Senses 100 ft, 60 ft., 40 feet, double if in water, Passive Perception 10

Languages Aquan, Deep Speech, Primordial --

Challenge 6 (2,300 XP)

Proficiency Bonus +3

Traits

Children Once every day, the yacumama may summon her brethren to fight. The number and difficulty of her children is decided by the DM.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage plus 7 (2d6) poison damage.

Constrict. Melee Weapon Attack: +6 to hit, affects all grappled. Hit: 12 (3d6 + 3) bludgeoning damage.

Drown. Drag all grappled underwater and continue effects until a different action is used. All affected are blinded and deafened for the duration of the attack.

Grapple. Grapple target, no save

Description

A yacumama is a serpentine monster from South-American folklore, that is the mother of all life in its river. It will brutally attack all that are not its children and within 100 feet. It can swim, climb and slither at terrifying speeds.

Lair and Lair Actions

This leviathan dwells in a lagoon near the mouth of its river, full of dangerous piranha, sawfish and much much worse. It is made worse by the mangroves,that slow adventurers and stop boats.