Chitine Skulker

Ambusher. The chitine has advantage on attack rolls against any creature it has surprised.

Fey Ancestry. The chitine has advantage on saving throws against being charmed, and magic can't put the chitine to sleep.

Sunlight Sensitivity. While in sunlight, the chitine has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Web Sense. While in contact with a web, the chitine knows the exact location of any creature in contact with the same web.

Web Walker. The chitine ignores movement restrictions caused by webbing.

Sneak Attack (1/Turn). The chitine deals an extra 10 (3d6) damage when it hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the chitine that isn't incapacitated and the chitine doesn't have disadvantage on the attack roll.

Multiattack. The chitine makes three attacks with its daggers.

Dagger. Melee or Ranged Weapon Attack: +6 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 6 (1d4 + 4) piercing damage.

Stealthy. On each of its turns, the chitine can use a bonus action to take the Hide action.