Who really killed Arthas, lore wise?
Arthas started casting a spell that would raise them all into undeath... but before he could finish, Tirion managed to escape from the ice. Focusing the Light through the Ashbringer, he snuck up behind Arthas, leapt through the air and struck Frostmourne, causing its blade to shatter.
Once Frostmourne was broken, the thousands of souls it had claimed escaped and attacked the Lich King. He was lifted into the air and left unable to defend himself as they swarmed around him. Meanwhile, the spirit of King Terenas cast a Mass Resurrection spell that revived the fallen champions. The lot of them beat on Arthas until he was mortally wounded, at which point he fell to the ground and lost his helmet.
At that point, this cinematic would begin to play:
For a more detailed recounting of what was said during the fight, check this article:
For more general information, see these articles:
As far as you're concerned, Tirion plus you and 9 (or 24) of your companions killed Arthas.
02/08/2013 08:19 PMPosted by DraileIt was the Alliance.
IT WAS THE FORSAKEN!
They never forgot. They never forgave. They strangled sixty penguins on the way to Icecrown.
Actually it was the Bilgewater Goblins, through a mechanical suit that was designed to look like Tirion. The real guy unfortunately had a bad water accident on his way to Northrend and died by drowning. To compensate, goblins constructed a life like machine suit of him and set it about as a replacement.
What you saw was a machine suit replacement of Tirion, but the whole time he was in Northrend being piloted by a veteran goblin pilot with knowledge of acting like human. For him it was a huge personal sacrifice since in order to maintain character he had to turn down anything that resembled riches or glory.
It was that guy who piloted the Tirion-golem during the battle of the Lich King, using Ashbringer (yest that was THE REAL Ashbringer) to shatter Frostmourne and help set things right.
Today the Tirion-golem is no longer piloted by is an autonomous machine who does nothing more complex than sit in his office in WPL and give a few quests.
02/08/2013 08:17 PMPosted by VyrinIt was the Alliance.
The greatest heroes of the Alliance, led by King Varian Wrynn, marched upon the Frozen Throne, and drove a flag pole with the Blue and Gold colours of Stormwind through the traitor, Arthas.
His helm fallen, the powers of the Lich King and the Scourge were then taken upon by Highlord Bolvar, and thus, the Alliance.
It was then that Sylvanas Windrunner, humbled by the bravery of the Alliance heroes, returned ownership of Lordaeron forever and always to the Alliance, before being executed for her crimes.
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