Argosock

Saving Throws Dex +5, Con +5, Wis +3, Cha +5

Skills Perception +7, Stealth +4

Senses Blindsight 40ft, Darkvision 80ft, passive Perception 17

Multiattack. Argosock can make two attacks: one with its bite and one with its claws. 

Bite. Melee Weapon Attack: +4 to hit, reach 10 ft., one target. Hit: 10 (2d8 + 1) piercing damage. 

Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage. 

Tail. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit:  12 (3d4 + 4) bludgeoning damage.

Fire Breath. Exhales fire in a 30 ft. cone. Each creature in the cone must make a DC15 Dexterity saving throw, taking 3d6 fire damage on a failed save, or half as much damage on a successful one.