Special Equipment. Vajra wields the Blackstaff, accounted for in her statistics. Roll 2d10 to determine how many charges the staff has remaining.

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

Staff Spells. While holding the Blackstaff, Vajra can use an action to expend 1 or more of its charges to cast one of the following spells from it, using her spell save DC and spell attack bonus: cone of cold (5 charges), fireball (5th-level version, 5 charges), globe of invulnerability (6 charges), hold monster (5 charges), levitate (2 charges), lightning bolt (5th-level version, 5 charges), magic missile (1 charge), ray of enfeeblement (1 charge), or wall of force (5 charges).

Spellcasting. Vajra is an 18th-level spellcaster. Her spellcasting ability is Intelligence (spell save DC 18, +12 to hit with spell attacks). She has the following wizard spells prepared:

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

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

2nd level (3 slots): invisibility, misty step, web

3rd level (3 slots): counterspell, fly, sending

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

5th level (3 slots): Bigby's hand, geas, telekinesis

6th level (1 slot): chain lightning, globe of invulnerability

7th level (1 slot): forcecage, prismatic spray

8th level (1 slot): antimagic field, power word stun

9th level (1 slot): imprisonment

Blackstaff. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit:5 (1d6 + 2) bludgeoning, magic damage, or 6 (1d8 + 2) bludgeoning, magic damage when used with two hands. Vajra can expend 1 of the staff's charges to deal an extra 3 (1d6) force damage on a hit.