If Lightbringer was merely a sword – why was it such a great weapon?
We learn of the forging of Lightbringer in Salladhor Saan’s tale. It seems that during the last Long Night’s “darkness” Azor Ahai forged a very important blade, which the Jade Compendium tells us was thrust through the belly of a monster. Further importance is given to this legendary sword as Mel frequently mentions its prophesied return, and how essential it could be in the upcoming war against the Others. The first question about Lightbringer is – how can a single blade possibly be so important against an army of Others and wights? What could possibly be so special about this sword?
First of all, the Legend of Lightbringer indicates that upon being thrust through Nissa Nissa’s heart, the blade was set alight, and presumably burnt without fuel. This fire would have given him a great advantage when fighting Others and their army – the fire would be able to kill wights. We see with Samwell’s smouldering log how easily wights succumb to fire; Lightbringer’s flames would therefore have a functional purpose.
But Lightbringer, as will be discussed, only seems to make sense as a weapon of enormous power if we consider that it could be made from dragonglass. Dragonglass is the only substance we know of that poses a threat to Others. The substance is ordinarily too brittle for battle, but if it could somehow be reinforced, then Lightbringer would be lethal to Others and wights. Lightbringer being able to kill Others and their armies of undead isn’t just desirable, it’s really essential if some kind of hero is to stand against them.
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