Me neither, I did read through it, but I'm fuzzy on the details.
It involves a dragon, somehow. And Sigmar clinging to the core of the Old World and just kind of hurtling through space like a bizarre dark fantasy version of the Little Prince. I think the realms were already there though, and Sigmar just kind of popped in and was like "mine!".
Then a really long time of peaceful High Fantasy followed, where everything went right and hardly anyone was cartoonishly sinister, which doesn't interest anyone, then the time of Chaos happened, which was the exact opposite, and now we're back at the old status quo of everything going wrong for a while before going right for almost as long. So basically like before, but in several dimensions at once, and Archon ist still there and still an annoying little b[REDACTED].