Bayleth, The Thunder Manifestation

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

Spellcasting. Aquila is an 18th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 17, +9 to hit with spell attacks). Aquila can cast disguise self and invisibility at will and has the following wizard spells prepared:

Cantrips (at will): fire bolt, light, mage hand, prestidigitation, shocking grasp

1st level (4 slots): detect magic, identify, mage armor*, magic missile

2nd level (3 slots): detect thoughts, mirror image, misty step

3rd level (3 slots): counterspell, fly, lightning bolt

4th level (3 slots): banishment, fire shield, stoneskin*

5th level (3 slots): cone of cold, scrying, wall of force

6th level (1 slot): globe of invulnerability

7th level (1 slot): teleport

8th level (1 slot): mind blank*

9th level (1 slot): time stop

*Aquila casts these spells on itself before combat.

Sword: Must be in sword form. Melee weapon attack. +8 to hit. reach 5ft. or 15/45ft. one target. Hit: 4d4+6 slashing damage

Crossbow: Must be in crossbow form. Ranged weapon attack. +4 to hit. reach 20ft. or range 30/90ft. two targets. Hit: 2d8+5 piercing damage

Staff: Must be in staff form. Can cast any spell 3 times in one action turn. Bashing attack: +2 to hit. reach 10ft. or 15/50ft. Hit 2d3+2 bludgeoning damage.

Can change forms to utilize different attacks. They can change between a crossbow form, a sword form, and a staff spell. They can change their form one per turn and it doesn't take an action point.