Ultralisk
"A gene also exists within the ultralisk's genetic code that exists with the sole purpose of growing heavily armored copies of the beast’s primary organs in random locations of its body." - the most awesome parts about the ultralisk, the only thing that is missing are the Swarmhost larvae:
"The larvae also feed on damaged tissue, sealing wounds, and destroying anything foreign that enters their domain."
"A gene also exists within the ultralisk's genetic code that exists with the sole purpose of growing heavily armored copies of the beast’s primary organs in random locations of its body." - the most awesome parts about the ultralisk, the only thing that is missing are the Swarmhost larvae:
"The larvae also feed on damaged tissue, sealing wounds, and destroying anything foreign that enters their domain."