Magic Resistance.

The kakkuu has advantage on saving throws against spells and other magical effects.

Spider Climb.

The kakkuu can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Web Sense.

When in contact with a web, the kakkuu knows the exact location of any other creature in contact with the same web.

Web Walker.

The kakkuu ignores movement restrictions caused by webbing.

Actions

Multiattack.

The kakkuu makes a Web Snare attack, uses Reel, and makes a Bite attack.

Bite.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 14 (2d10 + 3) piercing damage plus 10 (3d6) poison damage.

Reel.

The kakkuu pulls each creature within 60 feet of itself that is grappled by its Web Snare up to 30 feet straight toward itself.

Web Snare.

Ranged Weapon Attack: +6 to hit, reach 30/60 ft., one Large or smaller creature. Hit: The target has the grappled condition (escape DC 13). While grappled, the target also has the restrained condition. A web snare grappling a creature can be attacked and destroyed (AC 10; 10 hit points; immunity to bludgeoning, poison, and psychic damage).

Kakkuu Spyder-Fiend