Oh what a lame way for our bekowed artifact weapons to go. We just point then at the giant sword and bam, goodbye. Thanks a lot, Magni.
We kinda new it was gonna happen, either Argus destroys them during the fight or we use them to patch the wound.
But until the last moment I was hoping Blizzard actually gives a real, well written reason for them to go.
I was picturing something like the class mount quest, just a little scenario for every single weapon, where the weapon is either destroyed, loses power or returns to some new owner.
For example, the Silver hand might ask you to retire the Ashbringer in the tomb of Tirion, as it would be immoral for such powerful weapon to be used to wage war against the opposing faction.
The Fists of Heavens would be demanded back by the newly corronated Windlord Thunderaan, as it was previously stolen from a air elemental royal.
The Felomelorn would br seized by force by Lorthemar, as he wanted the ancient Elven weapon to be in his possession in the upcoming war and if you try to resist him, he uses his elite spellbreakers forces to subdue your fire magics.
The Doomhammer would be destroyed by the elements y after Thrall tries to use it for the last time, as the elements are still mad at him for cheating the duel with Garrosh.
These are just four scenarios I thought of, I haven't played through all the weapon quests, but I am sure you would thing of WAY better ways to lose our weapons, then just wildly point them at a giant space sword, not to mention that these way, blizz could continue the stories for these historic lore important weapons beyond Legion.
Feel free to post your fan ideas of how the each weapons could end.