Archmage (Transmutation)

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

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

Cantrips (at will): control flames, mending, message, mold earth, shape water

1st level (4 slots): catapult, expeditious retreat, jump, longstrider

2nd level (3 slots): maximilian’s earthen grasp, magic weapon, spider climb

3rd level (3 slots): erupting earth, fly, flame arrows

4th level (3 slots): polymorph, stone shape, stoneskin*

5th level (3 slots): animate objects, telekinesis, transmute rock

6th level (1 slot): disintegrate

7th level (1 slot): reverse gravity

8th level (1 slot): control weather (can cast this spell before encounter

9th level (1 slot): time stop

*The archmage casts these spells on itself 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.