Armor Class 16 (natural armor)
Hit Points 136 (16d10 + 48)
Speed 30 ft., fly 60 ft.
Saving Throws STR +8, DEX +6
Skills Perception +3, Stealth +6
Damage Resistances necrotic, [object Object]
Damage Immunities poison
Condition Immunities charmed, exhaustion, frightened, poisoned
Senses darkvision 120 ft., passive Perception 13
Languages understands Common
Challenge 8
Death Link. If its specter rider is reduced to 0 hit points, the gloamwing is destroyed.
Flyby. The gloamwing doesn't provoke an opportunity attack when it flies out of an enemy's reach.
Sunlight Sensitivity. While in sunlight, the gloamwing has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
Multiattack. The gloamwing makes two attacks: one with its bite and one with its claws.
Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 18 (3d8 + 5) piercing damage.
Claws. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 15 (3d6 + 5) slashing damage.
Guildmaster's Guide to Ravnica, p. 215