Wandering Dragon

Living on The Wing. This dragon can fly for days on end without needing rest. 

Recurved Teeth. If a target is bitten it must make a DC 13 Strength saving throw or be restrained in the dragons mouth. 

Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws, or the dragon can drop its target and use snatch again. 

Bite. Melee Weapon Attack: +11 to hit, reach 15 ft., one target. Hit: 14 (2d8 + 6) piercing damage.

Claw. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 6) slashing damage.

Snatch. Melee Weapon Attack: +11 to hit, reach 10 ft., two target. Hit: 12 (2d6 + 6) bludgeoning damage. If the target is Snatched it is automatically restrained.

Drop. If a target has already been Snatched the dragon can drop it and and that target takes (xd6) bludgeoning damage and is knocked prone. ("x" is amount of dies per 10 feet). 

Frightful Presence. Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 21 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.

Fire Breath (Recharge 5–6). The dragon exhales fire in a 30-foot cone. Each creature in that area must make a DC 21 Dexterity saving throw, taking 46 (12d6) fire damage on a failed save, or half as much damage on a successful one.

Fly Hard. The dragon flies 80 feet away.

The dragon can take 2 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn.

Detect. The dragon makes a Wisdom (Perception) check.

Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 25 Dexterity saving throw or take 17 (2d6 + 10) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.