Magic Resistance. Yao-Jin has advantage on saving throws against spells and other magical effects.

Spellcasting. Yao-Jin is an 18th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 18, +10 to hit with spell attacks). Yao-Jin can cast disguise self and invisibility at will and has the following wizard spells prepared:

Cantrips (at will): light, chill touch, sapping sting, shocking grasp, Thunderclap

1st level (4 slots): bane, cause fear, chaos bolt, magic missile

2nd level (3 slots): aganazzar's scorcher, mirror image, misty step

3rd level (3 slots): counterspell, fly, erupting earth

4th level (3 slots): banishment, conjure minor elementals, [Tooltip Not Found]

5th level (3 slots): cone of cold, Antilife Shell, wall of force

6th level (1 slot): globe of invulnerability

7th level (1 slot): finger of death

8th level (1 slot): mind blank*

9th level (1 slot): time stop

*Yao-Jin casts these spells on itself before combat.

Longsword. Melee Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 6 (1d8 + 2) slashing damage.