*The spike that Fortis hacks away at just turns into a puddle of black liquid. Destanius's spike just flies back, hovering over William's shoulder.* *William "Stop fighting back will you!?!?" [spoiler]Sort of, more like melting... He can't die in most conventional ways but he can become too unstable and turn into a puddle. He would literally be invincible if Sketch hadn't died because having a living body to cling to will keep him stable.[/spoiler]