Derro Guard

Aklys Thrower. If the derro hits a target within 30 feet of it with a ranged attack with its aklys, it can use its bonus action to retrieve the aklys and make another attack against the same target.

Magic Resistance. The derro has advantage on saving throws against spells and other magical effects.

Sunlight Sensitivity. While in sunlight, the derro has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Aklys. Melee or Ranged Weapon Attack: +4 to hit, reach 5 ft. or range 10/30 ft., one target. Hit: 5 (1d6 + 2) piercing damage.

Light Crossbow. Ranged Weapon Attack: +4 to hit, range 80/320 ft., one target. Hit: 6 (1d8 + 2) piercing damage.