The Illidan novel stated that Argus was now "located on the brink between the Twisting Nether and the Great Dark Beyond". A Thousand Years of War however states that "Argus was within the Twisting Nether. Every enemy the army felled would stay down forever." and that Argus is "fully shrouded within the Nether".
Turalyon forged a new weapon, a sword infused with holy light. It resembles the Great Royal Sword, his friend Anduin Lothar's blade of which he retrieved a half after his death, and may have been used in the process of creating this new weapon.