Watcher

The Watcher has advantage on an attack roll against a creature if at least one of the Watcher's allies is within 5 feet of the creature and the ally isn't incapacitated.

You can add your proficiency bonus to any ability check or saving throw that the Watcher makes.

The Watcher doesn't provoke opportunity attacks when it flies out of an enemy's reach.

The watcher has advantage on Wisdom (Perception) checks that rely on sight, hearing or smell.

Melee Weapon Attack: your spell attack modifier to hit, reach 5 ft., one target. Hit: 1d8 + 1 + PB slashing damage. If the target is a creature, it must succeed on a Strength saving throw against your spell save DC or be knocked prone.

Melee Weapon Attack: your spell attack modifier to hit, reach 5 ft., one target. Hit: 1d4 + 2 + PB piercing damage.