Aviarag

Mind Sense. The aviarag cannot be Surprised by a creature that it can communicate with using its telepathy, and its thoughts cannot be read using magic.

Labyrinthine Recall. The aviarag can perfectly recall any path it has traveled.

Multiattack. The aviarag uses Terrifying Roar, and then makes two Claw attacks and one Bite attack.

Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 9 (1d10 + 4) Piercing damage.

Claw. Melee Attack Roll: +7, reach 5 ft. Hit: 8 (1d8 + 4) Slashing damage, and if the aviarag has used 15+ feet of its flying speed, it deal an additional 18 (4d8) Slashing damage.

Terrifying Roar. Wisdom Saving Throw: DC 14, one creature within 120 ft. Failure: The target is Frightened until the end of the aviarag's next turn. A creature that is Frightened in this way also has its speed reduced to 0.

Spellcasting (Psionics). The aviarag casts one of the following spells without spell components, using Charisma as the spellcasting ability (spell save DC 14, to hit with spell attacks +6):

1/Day each: Mind Spike, Nystul's magic aura, Modify Memory