Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage.
Breath Weapons (Recharge 5-6). The dragon uses one of the following breath weapons.
Cold Breath. The dragon exhales an icy blast in a 15-foot cone. Each creature in that area must make a DC 13 Constitution saving throw, taking 18 (4d8) cold damage on a failed save, or half as much damage on a successful one.
Paralyzing Breath. The dragon exhales paralyzing gas in a 15-foot cone. Each creature in that area must succeed on a DC 13 Constitution saving throw or be paralyzed 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.
RollQuest summary Senses: blindsight 10 ft., darkvision 60 ft., passive Perception 14. Languages: Draconic. Saving throws: Dex +2, Con +5, Wis +2, Cha +4. Skills: Perception +4, Stealth +2. Speed: 30 ft., fly 60 ft.
RollQuest ships the D&D 2014 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.