Multiattack

The dragon makes one Bite attack and one Claw attack.

Bite

_Melee Weapon Attack:_ +5 to hit, reach 5 ft., one target. _Hit:_ 8 (1d10+3) piercing damage plus 3 (1d6) lightning damage.

Claw

_Melee Weapon Attack:_ +5 to hit, reach 5 ft., one target. _Hit:_ 6 (1d6+3) slashing 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 12 DEX save, taking 27 (5d10) lightning damage on a failed save, or half as much damage on a successful one.