The derro savant is a 5th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 12, +4 to hit with spell attacks). 1st level (4 slots): burning hands, chromatic orb, sleep 2nd level (3 slots): invisibility, spider climb 3rd level (2 slots): lightning bolt
Magic Resistance. The derro savant has advantage on saving throws against spells and other magical effects. Sunlight Sensitivity. While in sunlight, the derro savant has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
Quarterstaff. Melee Weapon Attack: +l to hit, reach 5 ft., one 41/11 target. Hit: 2 1d6-1 bludgeoning damage.