Arachne, the weavess.

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

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

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

Multi-action. Can use both a spell and a melee each turn.

Spell casting.

Charm of the Weavess: Target must make a DC 14 wisdom saving throw or be charmed until the arachne cancels it, attacks the charmed target or loses a concentration throw after being damaged heavily.

Poisonous tongue. The arachne spits an orb of condensed poison at a target: +5 to hit, range 30ft, hit: (1d12+4) poison damage, target  must make a DC 14 constitution saving thro or be poisoned until the end of combat or until the target makes a successful saving throw on their turn.

Drain life. Uses black magic that saps the life out of targets: DC of 14 to hit, range 60ft, hit: (1d8 +4) necrotic damage and the arachne heals the hit points dealt back.

Web (Recharge 5–6). Ranged Weapon Attack: +5 to hit, range 30/60 ft., one creature. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 12 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; hp 5; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).

Leg strike. Using her back legs and abdomen as a support, she kicks out and strikes heavily with her front legs: +6 to hit, range 5ft, hit: 16 (2d8 +4) bludgeoning damage to one target.

Trample. Using the large spider body she charges and pummels the target: hit +6, range 10ft, any creatures directly in front of her, hit: (2d12) bludgeoning damage and target must make a DC 14 strength saving throw or be knocked prone and sent 10ft backwards.