* The Luggage intimidated the Gates of Hell into opening rather than getting crashed through.
* In a scene somewhat reminiscent of Douglas Adams, one badly-misplaced sandwich becomes the beginnings of organic life on the Disc.
* Eric is an AccidentalHero. Even if he meant only to summon a demon, he rescued Rincewind from being trapped in a never-ending hell forever.
** It's never specified, and it's possible that time runs differently between the two dimensions, but Rincewind manages to survive in that never-ending hell for who knows how long, surrounded by EldritchAbomination[=s=] and with no weapons save for his bare hands and a sock full of sand. Not that he had to use them, because it's implied he outran anything that tried to eat him.
* Rincewind and his ancestor Lavaeolus breaking out of Hell together.