Magic Resistance. The archmage has Advantage on saving throws against spells and other magical effects.
Spellcasting. The archmage casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 18):
At will: Detect Magic, Mage Armor (included in AC), Mage Hand, Prestidigitation
2/day each: Fireball (level 7 version), Geas, Modify Memory
Dominate Person (1/Day). The archmage casts Dominate Person, using the same spellcasting ability as Spellcasting.
Duplicitous Magic (2/Day). The archmage casts Charm Person, Hold Person, or Sleep, using the same spellcasting ability as Spellcasting.
Multiattack. The archmage makes four Arcane Burst Attacks.
Arcane Burst. Melee or Ranged Attack Roll: +10, reach 5 ft. or range 150 ft. Hit:21 (3d10 + 5) Force damage.
Masters of Magic