Chosen of the Spider Queen

Fey Ancestry. The drow has advantage on saving throws against being charmed, and magic can’t put the drow to sleep.

Innate Spellcasting. The drow’s spellcasting ability is Charisma (spell save DC 16). It can innately cast the following spells, requiring no material components:

At will: darkness

1/day each: dancing lights, fear, faerie fire, levitate

Spellcasting.  The Chosen of the Spider Queen is a 12th level spellcaster.  Her spellcasting modifier is Wisdom (spell save DC 17, +9 spell attack bonus)

0-level cantrips (at will) guidance, mending, sacred flame, spare the dying, toll the dead

1st (4 slots) bane, divine favor, healing word, shield of faith, sanctuary

2nd (3 slots) augury, detect thoughts, hold person, lesser restoration, magic weapon, spiritual weapon, silence

3rd (3 slots) conjure animals, clairvoyance,  crusader's mantle, dispel magic, spirit guardians

4th (3 slots) banishment, freedom of movement, stoneskin

5th (2 slots) flame strike, greater restoration, hold monster,insect plague, mass cure wounds

6th (1 slot) heal, true seeing

Sheer Terror. 

Creatures within 10 ft. of Lolth's chosen must succeed on a DC 16 Wisdom saving throw or be frightened for 1 minute.  Creatures affected by this ability can repeat their saving throws at the end of its turns, ending the effect on a success.  Once this ability is used it can't be used again until the Chosen has finished a long rest.

Reckless.  

At the start of its turn, the Chosen can gain advantage on all melee weapon attack rolls during that turn, but attack rolls against it have advantage until the start of its next turn.

Multiattack.  The Chosen can one bite, and two claw attacks, or attack with its weapon, and bite attacks.

Bite.  Melee weapon attack: +9 to hit, reach 5ft., one creature.  Hit:  16 (2d10+5) piercing damage plus 10 (3d6) poison damage

Claw.  Melee weapon attack: +9 to hit, reach 10ft., one creature.  Hit: 16 (2d10+5) slashing damage.

Adamantine Greatsword.  Melee weapon attack: +10 to hit, reach 10ft., one creature.  Hit: 13  (2d6+6/crit. 19-20) slashing damage, and an automatic critical hit against an object.

Javelin.  Ranged weapon attack: +9 to hit., range (30/120)., one creature.  Hit: 12 (2d6+5) piercing damage plus DC 13 Constitution or be poisoned by Drow knockout poison for one hour.  If a creature fails its saving throw by 5 or more, it also is knocked unconscious while poisoned.  The creature wakes up if it takes damage or another creature takes an action to shake it awake.