Starting point and History
Odin and his two siblings Vili and Ve attempted to bring down Surtur after they had completed the process of bringing down the ice monster, Ymir. When they go there, they tell the fire individuals that they have come to take in the unfamiliar. Odin inquires as to whether it's valid that he would one day devastate the nine universes. Surtur answers him yes and clarifies how he will do it utilizing his Sword Of Doom and the Eternal fire. Odin comments back "Wouldn't it be better if the fire was taken out and the sword broken?". Surtur at that point returns saying "The fire can't be smothered however they could attempt to break his sword". Surtur would then pummel his clench hand on the ground as devils originated from all corner