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

Spellcasting. Zelena is an 18th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 22, +13 to hit with spell attacks). Zelena can cast disguise self and invisibility at will and has the following spells prepared:

Cantrips (at will): Fire Bolt, Poison Spray, Mage Hand, prestidigitation, shocking grasp

1st level (4 slots): shield, identify, mage armor*, magic missile

2nd level (3 slots): melf's acid arrow, mirror image, misty step

3rd level (3 slots): counterspell, fear, lightning bolt

4th level (3 slots): banishment, blight, greater invisibility*

5th level (3 slots): cone of cold, dominate person, wall of force

6th level (2 slot): globe of invulnerability, disintegrate

7th level (2 slot): teleport, prismatic spray

8th level (1 slot): teleport

9th level (1 slot): teleport

*The archmage casts these spells on itself before combat.

Claw. Melee or : +13 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 7) slashing damage.