Medium dragon, Neutral Evil
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage. Breath Weapons (Recharge 5–6). Argevar uses one of the following breath weapons. Fire Breath. Argevar exhales fire in an 20-foot line that is 5 feet wide. Each creature in that line must make a DC 11 Dexterity saving throw, taking 14 (4d6) fire damage on a failed save, or half as much damage on a successful one. Sleep Breath. Argevar exhales sleep gas in a 15-foot cone. Each creature in that area must succeed on a DC 11 Constitution saving throw or fall unconscious for 1 minute. This effect ends for a creature if the creature takes damage or someone uses an action to wake it.