<P> (T) he Other's armor was running down its legs in rivulets as pale blue blood hissed and steamed around the black dragonglass dagger in its throat...where its fingers touched the obsidian they smoked...the Other shrank and puddled, dissolving away . In twenty heartbeats its flesh was gone, swirling away in a fine white mist . Beneath were bones like milkglass, pale and shiny, and they were melting too . Finally only the dragonglass dagger remained, wreathed in steam...Grenn bent to scoop it up and flung it down again at once . "Mother, that's cold ." </P> <P> In A Dance with Dragons (2011), Sam uncovers ancient record fragments which suggest that the Others are also vulnerable to something called "dragonsteel", which he and Jon Snow surmise is another term for Valyrian steel . </P> <P> Creatures killed by the Others soon reanimate as wights: undead with pallid skin, black hands and similarly glowing blue eyes . Dragonglass has no effect on them . Wights may be physically injured, but even dismembered parts remain animated, so they must be destroyed by fire . The humans who live in the north beyond The Wall--called "wildlings" by the inhabitants of Westeros--burn their dead so that they do not become wights . </P> <P> In 2012, Chris Lackner wrote in Dose, "Fans of the novels are eagerly awaiting Martin's final two installments of the seven - part series . In particular, they are eager to learn more about the White Walkers--or The Others--a mysterious, undead race seemingly bent on humanity's destruction ." </P>

What are the zombies on game of thrones