Byrthu Emberclaw

Special Equipment. Byrthu wears a blue robe of the archmagi (accounted for in his statistics)

Magic Resistance. While wearing his robe of the archmagi, Byrthu has advantage on saving throws against spells and other magical effects.

Spellcasting. Byrthu is an 18th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 18, +10 to hit with spell attacks). Byrthu can cast disguise self and invisibility at will and has the following wizard spells prepared:

Cantrips (at will): light, mage hand, prestidigitation, ray of frost, shocking grasp

1st level (4 slots): detect magic, identify, magic missile, shield

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 (2 slot): contingency, globe of invulnerability

7th level (1 slot): crown of stars

8th level (1 slot): mind blank*

9th level (1 slot): time stop

*Byrthu casts these spells on himself before combat.

Dagger. Melee or Ranged Weapon Attack: +6 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 4 (1d4 + 2) piercing damage.

Claws. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (2d6 + 1) slashing damage plus 7 (2d6)force damage.