Basilisk Kobold

Pack Tactics. The kobold has advantage on an attack roll against a creature if at least one of the kobold's allies is within 5 feet of the creature and the ally isn't incapacitated

Poisonous Breath. The breath of Basilisk Kobolds is extermly toxic, all creatures that first enter within 10ft of the Basilisk Kobold must succeed in a DC 11 Constitution saving throw, being poisoned for the next minute on a failure, a creature that succeeds in this saving throw is immune to this effect for the next 24 hours, Kobolds are immune to this poison.

Multiattack. the Basilisk Kobold can make 2 attacks with its attack action either two dagger attacks, two sling attacks, or one of each.

Dagger. Melee Weapon Attack. +4 to hit, one target 5ft reach, for 1d4+2 piercing damage.

Sling. Ranged Weapon Attack. +4 to hit, one target 60ft range, for 1d4+2 bludgeoning damage. 

Petrefying Gaze (1-Day). The Basilisk Kobold can strain its eyes to evoque the petrefication powers of its ancestry, a creature within 60ft of the Basilisk Kobold that the Basilisk Kobold can see must succeed in a DC 11, on a failure a creature has its speed reduced by half, if a creature fails for 5 or more it is petrefyed for 1 minute.