Action

Bite

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage.

 

Action

Claws

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) slashing damage.

 

Action

Multiattack

The wako matriarch makes one bite attack and two claw attacks.

 

Action

Oil Slick

As an adult wako, but the save DC is 13.

 

Lair Action

Crumbling Cave

Continual burrowing causes a part of the ceiling to collapse above one target that the creature can see within 30 feet of it. The target must succeed on a DC 13 Dexterity saving throw or take 10 (3d6) bludgeoning damage and be knocked prone and buried. The buried target is restrained (escape DC 10) and unable to breathe, see, hear, or stand up.

 

Lair Action

Rouse Pack

A wako matriarch a 50% chance to call upon additional members of the pack. She can call either 1 adult wako (25%) or 1d3 wako pups (25%) to protect the den. They will enter from the closest access point or burrow up to 60 ft. away to join the matriarch.

 

Special

Ao, Ao, Ao

Wakos use vocal calls to communicate and can relay exact location and even basic emotions within 60 feet (120 feet underground). When three or more wakos are present, all non-wakos take 7 (2d6) thunder damage each round at the beginning of their turn, or half as much on a successful DC 11 Constitution saving throw. Creatures failing their save are deafened for 1 minute, though they can attempt a new save each round to end this effect and once they save they cannot be deafened by wakos for 1 hour. if a wako matriarch is present the damage dealt by this ability increases to 10 (3d6) and the save DC is 13.

 

Special

Contortionist

The wako's oily coat and flexible skeleton allow them to fit through spaces as easily as a Small creature, and they can stand up from prone as a bonus action.

 

Special

Pack Tactics

The wako has advantage attack rolls if at least one of its wako allies is within 5 feet of its target and isn't incapacitated.

 

Special

Senses

The wako has advantage on Wisdom (Perception) checks that rely on scent but has disadvantage on Wisdom (Perception) checks that rely on sight and hearing.

 

Special

Tunneler

The wako can burrow through solid rock at half their standard burrow speed leaving a tunnel behind them equal to their size in diameter.