Spellcasting. Zarros is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +7 to hit with spell attacks). Zarros has the following wizard spells prepared:

Cantrips (at will): fire bolt, light, mage hand, prestidigitation

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

2nd level (3 slots): hold person, misty step

3rd level (3 slots): counterspell, fireball, hypnotic pattern

4th level (3 slots): greater invisibility, polymorph

5th level (1 slot): modify memory

Dagger. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 4 (1d4 + 2) piercing damage.