From their website:
Like nightmares given form, Stingers swarm among the greater dragonspawn of the Legion. These awful beasts lurk in shallow burrows waiting for hapless victims to approach so they can sink their barbed tails into living flesh. The stinger is then ripped from the creature’s body as its poison gland continues to pump its victim full of venom. This versatile monster is also capable of spewing forth fiery ash, its preferred attack when battling machines or lightly armored foes.