Things spiraled beyond imagination. All hopes of receiving help shattered.
The worst part of it was that no one could be blamed. Who could accuse them of absconding?
Varian made the mistake of thinking they shared the same motivation against the God Emperor.
No, they weren't fighting him to save anything. Not quite. From the start, they were fueled to stop him to secure their own rule, to keep their dominions to themselves, to secure their lives by taking down the only potential threat.
Varian lived a difficult life from the start, fighting almost every week since his awakening. But his had been an intense life, where years, no millennia happened in weeks.
They too had difficulties. But they lived fundamentally different lives. They spent actual millennia, no, millions of years where nothing much happened.
Even though they both reached the same point at the end, the journey was often as important as the destination.