Doomvault Devotion. Within the Doomvault, the apprentice has advantage on saving throws against being charmed or frightened.

Spellcasting. The apprentice is a 4th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 12, +4 to hit with spell attacks). It has the following wizard spells prepared:

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

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

2nd level (3 slots): blur, scorching ray

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