Ash Drake

Wreathed in Smoke. As an action, the Ash Drake can become wreathed in smoke, so that one can’t see his body. All of Ash Drake’s melee attacks are reduced by 7(2d6) piercing damage, and his Ash Breath ability deals an extra 7(2d6) fire damage; its recharge becomes (3-6.) The AC of the Drake increases to 17, and all of its speed increases by 10ft. Furthermore, any space within 5 ft of the drake becomes heavily obscured for one round as the drake moves. the drake can also move in spaces 1 foot thick, and can squeeze in a 6-inch space. The Drake has advantage in dexterity saving throws, and disadvantage on constitution, charisma and strength. It is a bonus action for this ability to end, and it can last up to 2 hours.

Multiattack. The Ash Drake makes one bite attack and two claw attacks. It can substitute it breath for its bite.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit:  12(2d8 + 3) piercing damage with (1d6) fire damage. 

Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 10(2d6 + 3) slashing damage.

Ash Cloud. An Ash Drake can beat its wings and create a cloud of Ash that extends 10 ft in all directions, centered on itself. This cloud gives the ash drake a +1 AC, though the Ash Drake can see normally through its own cloud. Any creature that enters or starts their turn inside the cloud must succeed a CON save with a DC 14. If failed, the creature becomes blinded for 1 round

Ash Breath (Recharge 4-6). The Ash Drake spews a 20-foot cone of choking ash and smoke. Any targets caught within the cone of ash takes 6d6 fire damage. Targets must also make a DEX save against DC 13, if failed the targets become blinded for one round