What is Forgotten Realms and what is its relation to Dragonlance?
According to Dragonlance Adventures (1987), characters who get too powerful are sent to other worlds by the gods. Evil archenemy NPCs like Ariakas and Raistlin were exempt from this rule, supposedly due to the favoritism of Takhisis. The gist of this rule was that very high-level PCs were considered inappropriate for Krynn, which is supposed to be about ordinary people doing extraordinary things. When the first “Gray Box” Forgotten Realms Campaign Set came out later in 1987, it conveniently claimed that this new world was the place where the gods of Krynn send Krynnish mages when they get too powerful. This works out well for Forgotten Realms, which seems to be a setting about extraordinary people doing extraordinary things.