Aven

Magic Resistance. Aven has advantage on saving throws against spells and other magical effects.

Magic Weapons. Aven's weapon attacks are magical.

Traveller. As a bonus action, Aven can teleport up to 60ft.

Spellcasting. Aven is a 20th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). It regains its expended spell slots when it finishes a short or long rest. Aven does not require material components for her spells. It knows the following spells:

Cantrips (at will): eldritch blast, fire bolt, friends, mage hand, minor illusion, prestidigitation, shocking grasp

1st-5th level (4 5th-level slots): faerie fire, Blur, Darkness, Mirror Image, Misty Step, Moon Beam, pyrotechnics, Silence, Blink, Call Lightning, Daylight, Fly, Melf's Minute Meteors

Once a day: mass suggestion, reverse gravity, dominate monster, meteor swarm

Multiattack. Aven makes two attacks.

Comet. Ranged Weapon Attack: +8 to hit, range 120 ft., one creature. Hit: 22 (4d8 + 6) bludgeoning damage and 22 (4d8+6) fire damage. The target must succeed on a DC 15 Strength saving throw or it will be pushed 15 away from Aven.

Aurora. The target must make a DC 16 constitution saving throw or suffer 23 (5d6 + 8) radiant damage and lose their reaction until their next turn.

Gemini. Melee Weapon Attack: +8 to hit, 30 ft., one creature. Hit 28 (6d8 +4) radiant damage, and the creature is teleported 15 ft from its current point in a unoccupied space of Avens choice.