Frostmourne CavernIcecrown Glacier where the dark runeblade Frostmourne lay. Its entrance was protected by a revenant known as the Guardian, before it was slain by Arthas Menethil, who then claimed the blade. The cavern was given its name by the Scarlet Onslaught.is a cave located at the base of the
Players can see here a flashback of the last interactions between Arthas and Muradin Bronzebeard as originally seen in Warcraft III, with a surprise ending showing Muradin's survival. Next to Frostmourne's altar also lies Arthas' former hammer, , as well as Muradin's weapons, frozen in the snow. The cave is also teeming with saronite.