Cavea

Innate Magic. Cavea can cast Magic Missile at-will, without expending a spell-slot. If Cavea upcasts the spell, she has to expend a spell-slot as usual.

Spellcasting. Cavea is a 9th-level spellcaster. Her spellcasting ability is Intelligence (spell save DC 15, +6 to hit with spell attacks). Cavea has the following Wizard spells prepared:
Cantrips (at will): Gust, Mold Earth, Create Bonfire, Fire Bolt
1st level (4 slots): Magic Missile, Fog Cloud, Grease, Shield
2nd level (3 slots): Invisibility, Vortex Warp, Kinetic Jaunt
3rd level (3 slots): Counterspell, Fly, Fireball
4th level (3 slots): Dimension Door, Evard's Black Tentacles, Hallucinatory Terrain
5th level (1 slot): Cloudkill 

Multiattack. Cavea makes two staff attacks.

Staff. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 6 (1d8 + 4) bludgeoning damage. 

Transposition (Recharge 5-6). Cavea teleports up to 60 feet to an unoccupied space she can see.