Magic Resistance. Zhaken Amberhart has advantage on saving throws against spells and other magical effects.

Legendary Resistance (3/Day). If Zhaken Amberhart fails a saving throw, he can choose to succeed instead.

Spellcasting. The Zhaken Amberhart is an 13th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 18, +10 to hit with spell attacks). Zhaken Amberhart can cast invisibility at will and has the following wizard spells prepared:

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

1st level (4 slots): burning hands, catapult, mage armor*, magic missile, shield, witch bolt

2nd level (3 slots): detect thoughts, hold person, maximilian's earthen grasp, mirror image, misty step

3rd level (3 slots): counterspell, fireball, fly, hypnotic pattern, lightning bolt, sleet storm

4th level (3 slots): banishment, fire shield, greater invisibility, ice storm

5th level (3 slots): cone of cold, negative energy flood, synaptic static, wall of force

6th level (1 slot): chain lightning, globe of invulnerability

7th level (1 slot): teleport

8th level (1 slot): mind blank*

9th level (1 slot): time stop

*Zhaken Amberhart casts these spells on itself before combat.

Blast Scepter. Zhaken Amberhart uses his blast scepter to cast thunderwave as a 4th-level spell (save DC 16).

Gem of Seeing.  Zhaken Amberhart uses his gem of seeing to grant himself truesight out to 120 feet for 10 minutes.

Zhaken Amberhart can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. He regains spent legendary actions at the start of histurn.

Cantrip. Zhaken Amberhart casts a cantrip.

Cast a Spell (Costs 2 Actions). Zhaken Amberhart casts a spell of 2nd level or lower from his spell list that takes 1 action to cast.