Armor Class 13 ({@item leather armor|phb})
Hit Points 36 (8d6 + 8)
Speed 30 ft.
Skills Stealth +4
Senses darkvision 120 ft., passive Perception 7
Languages Dwarvish, Undercommon
Challenge 3
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: +1 to hit, reach 5 ft., one target. Hit: 2 (1d6 - 1) bludgeoning damage.
Mordenkainen's Tome of Foes, p. 159