Worst Nightmare: Save dc:12. as an action, this creature can uses ancient abyssal magic to change to each and every party members worst nightmare or fear. +4 to hit,It affects any creature that can see or see's the dragon.1(2d6+4) [psychic]  damage

Bonus Attack. this creature can make a second attack

Fly. this creature can fly 30 feet or less

Claw Attack. Melee Weapon Attack: +4 to hit, reach 5 ft., 1 target. Hit: 1 (2d4 + 2) [slashing] damage. 

Breath Attack. Ranged  Breath weapon Attack: +4 to hit, range 30/20 ft., 1 target. Hit: 1 (3d6 + 2) [acid/fire] damage.

Bite Attack.  Melee claw attack: +3 to hit, reach 5 ft, 1 target. hit: 1(2d6+2) [piercing] damage

Opportunity Attack. any creature that passes in front of the dragon takes an immediate attack