Shadow stealth. When the dragon is in dim light or darkness it can hide as a bonus action.

Living Shadow. While in dim light or darkness the dragon has recistance to all damage that isn´t psychic, radiant or radiant.

Sunlight sensitivity. While in sunlight, the dragon has disadvantage on attack rolls and wisdom checks that rely on sight.

Multiattack. The dragon makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage plus 5 (1d10) necrotic damage.

Claw. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Shadow Breath (Recharge 5–6). The dragon exhales necrotic lightning in an 60-foot line that is 5 feet wide. Each creature in that line must make a DC 16 Dexterity saving throw, taking 55 (10d10) necrotic damage on a failed save, or half as much damage on a successful one. If the player is downed to 0 hit points they die and a shadow under the Dragons controll is raised from the body.