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): 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 * 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.