Armor Class 16 ({@item breastplate|phb})
Hit Points 143 (22d8 + 44)
Speed 30 ft.
Saving Throws CON +7, WIS +10, CHA +10
Skills Insight +10, Perception +10, Religion +8, Stealth +7
Condition Immunities frightened
Senses darkvision 120 ft., passive Perception 20
Languages Elvish, Undercommon
Challenge 14
Discern Lie. The drow knows when she hears a creature speak a lie in a language she knows.
Fey Ancestry. The drow has advantage on saving throws against being charmed, and magic can't put the drow to sleep.
Magic Resistance. The drow has advantage on saving throws against spells and other magical effects.
Sunlight Sensitivity. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
Multiattack. The drow makes three death lance attacks.
Death Lance. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 8 (1d6 + 5) piercing damage plus 18 (4d8) necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage it takes. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.
Mordenkainen's Tome of Foes, p. 184