Special Trait Name:

the scent of twilight: the adolescent twig is surrounded by a hallucinogenic gas which is produced by its protruding bone like structures, the gas surrounds the creature all around by a 15 foot diameter, it also goes up 30 feet high and has a strong scent of cinnamon or evergreens. If there’s a creature within the range of the gas they have to make a wisdom saving throw (18) or they’ll fall under a illusion, they’ll see multiple twigs around them, the area will grow darker and the moon will seem to vanish. It’ll slowly start to get colder and it will start to snow. Their speed will be cut in half, each round they’ll get to make a wisdom saving throw to snap out of the illusion. 

Twigs bones: every 20 damage the twigs takes it drops one of its bones on the ground, surrounding the bones is the scent of twilight affect surrounding the bone with a diameter of 5 feet. The same stats from the scent of twilight applies.

elusive existence: creatures that are 60 feet away from the adolescent twigs has a hard time seeing the creature. They have disadvantage on perception checks on the creature or attack rolls against the creature if they’re standing 60 or more feet away from it. 

Creation of protectors: the twigs can create 1d4 humanoid entities made out of bone, they follow the sheet used for the twig cultists. The twigs can only use this ability once per day. If created during combat the creatures turn is after the twigs.

Action Melee Attack. Horn ram: +5 to hit, reach 5 ft., 1 target. Hit: 15 (2d8 + 4) piercing damage. 
Action Melee Attack. hoof attack: +5 to hit, reach 5ft., 1 target. Hit: 10 (1d10 +2) bludgeoning damage. 

Multiattack: one hoof attack, one horn ram. 

Action Ranged Attack. Twigs spike: +5 to hit, range 80/140 ft., 1 target. Hit: 15 (2d8 + 4) piercing damage. If struck by the spike they have to make a wisdom saving throw (17) or suffer the effects of the scent of twilight.

Legendary Resistance (3/Day). If the monster fails a saving throw, it can choose to succeed instead.