Adult Spinal Worm

Pierce the mind. When a creature that can see the adult spinal worm's eye starts its turn within 30 feet of the adult spinal worm, the adult spinal worm can force it to make a DC 14 Wisdom saving throw if the adult spinal worm isn't incapacitated and can see the creature. If the saving throw fails the creature loose instantly (4) 2d4 psychic damage. The adult spinal worm can only use this ability once per turn. 

Sharp trampling. When the adult spinal worm moves, it can climb any creature in its path without suffering a speed penalty. Any creature climbed suffers 1d6 sharp damage from the Adult Spinal Worm.

Spider Climb. The adult spinal worm can climb difficult surfaces, including upside down on ceilings, without needing an ability check.

Multiattack. The adult spinal worm makes two Claws attacks or one Sharp Tail attack.

Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage, and the target is grappled (escape DC 12). Until this grapple ends, the target is restrained.

Sharp Tail. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 11 (2d6 + 4) slashing damage.