Bite

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage.

Lightning Breath (Recharge 5-6)

The dragon exhales lightning in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 13 Dexterity saving throw, taking 22 (4d10) lightning damage on a failed save, or half as much damage on a successful one.