Two Heads. Because of its two heads, Acrozeq has advantage on Wisdom (Perception) checks and on saving throws against being blinded, charmed, deafened, frightened, stunned, and knocked unconscious.

Spider Climb. Acrozeq can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Vine Sense. While in contact with a vine, Acrozeq knows the exact location of any other creature in contact with the same vine.

Vine Walker. Acrozeq ignores movement restrictions caused by vines.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 7 (1d8 + 3) piercing damage, and the target must make a DC: 11 Constitution saving throw, taking 9 (2d8) poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.

Vine - Recharge 5. Ranged Weapon Attack: +5 to hit, range 30/60 ft., one creature. Hit: The target is restrained by vines. As an action, the restrained target can make a DC: 12 Strength check, bursting the vines on a success. The vines can also be attacked and destroyed (AC 10; hp 5; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).

Sleep Spores (Recharge 5–6) (Phase 2). Acrozeq launches spores in a 15-foot sphere. Each creature in that area must succeed on a DC 11 Constitution saving throw or fall unconscious for 1 minute. This effect ends for a creature if the creature takes damage or someone uses an action to wake it.

Spew Acid (Recharge 5–6) (Phase 3). Acrozeq spews acid in an 20-foot line that is 5 feet wide. Each creature in that line must make a DC 11 Dexterity saving throw, taking 18 (4d8) acid damage on a failed save, or half as much damage on a successful one.