Evil. The dragon radiates an Evil aura. Sunlight Sensitivity. While in sunlight, the necrotic dragon has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 18 (3d10 + 2) piercing damage. Anguished Breath (Recharge 5–6). The dragon exhales a shadowy maelstrom of anguish in a 15-foot cone. Each creature in that area makes a DC 12 Wisdom saving throw , taking 22 4d8 necrotic damage on a failed save or half damage on a success.
The Underdark