That makes no sense whatsoever at the end of the avatar trilogy it was revealed the tablets of fate were fraudulent.
First, welcome to EN World!
Second, I haven't seen the adventures, but the novels ended with Ao destroying the Tablets, not because they were fraudulent, but because they outlined each god's position and duties - with Bane and Myrkul stealing the Tablets, it was the last straw in the gods shirking their responsibilities in favor of self-aggrandizement. Hence, Ao destroyed the Tablets largely in disgust for how the gods had been acting.
Given that, he's now recreating them to lay down the law for how things will be from now on.
Dausuul said:
I'll give you FR, but not Dark Sun. While it's true that Dark Sun was technically part of the grand scheme, its creators went to great lengths to establish that contact between Athas and the rest of the multiverse was absolutely, totally, and in all other ways inconceivable.
You use that word, but I don't think you know what it means.
Defilers & Preservers stipulated that someone trying to reach the planes through the Grey had a 33% chance of reaching the Inner Planes, or a 5% chance of reaching the Outer Planes (or vice versa, for someone coming from the planes to Athas) - low chances, to be sure, but not inconceivable.
Likewise, the Planar Gate that Dregoth used (found in
City by the Silt Sea and then again in
Psionic Artifacts of Athas) allowed for faultless planar travel to and from Athas. And that's not even getting into the
Black Spine adventure, which was about a githyanki invasion of Athas (which is somewhat reminiscent of the "Incursion" mini-campaign that would appear in
Dragon,
Dungeon, and
Polyhedron in 2003).
I won't even get into the various small instances of Dark Sun material that was to be found in the products for other campaign settings (e.g. an Athasian life-shaped artifact in Tcian Sumere - the fortress of Tenebrous (that is, Orcus) on the Negative Energy Plane in
Dead Gods).