Bite

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 19 (3d10 + 3) piercing damage.

Lightning Breath (Recharge 5-6)

The dragon exhales a 30-foot-long 5-foot-wide line of lightning. Each creature in that area makes a DC 12 Dexterity saving throw taking 22 (4d10) lightning damage on a failed save or half damage on a success.