Bite

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 4) piercing damage.

Breath Weapon (Recharge 5-6)

The dragon uses one of the following breath weapons: Radiant Breath. The dragon exhales radiant energy in a 30-foot cone. Each creature in that area must make a DC 15 Dexterity saving throw, taking 44 (8d10) radiant damage on a failed save, or half as much damage on a successful one. Flaring Breath. The dragon emits a flash of dazzling light from its maw in a 30-foot cone. Each creature in that area must make a DC 15 Constitution saving throw or be blinded. Undead within the area of effect must also make a DC 15 Wisdom saving throw or be turned for 1 minute. Undead of CR 1 or lower who fail the saving throw are instantly destroyed.