He Yogg told us the end of days is finally upon us, which one do you think he was referring to? The one where algalon summons the titans to reorignnarazzledazzle the planet. The one with deathwing. The one with the thunder king. The iron horde. Sargeras. His sword.
We've had quite a view end of the world averted events, and pretty sure having a sword stuck in azeroths ass won't matter for long when its healed up end of the expansion.