When you manage to defeat the Improbability Drive, some things are lost. Some things change. Some things are gained. And some things stay.
It depends on the mysterious magic of the dkpersist setting, we hear; if an item has it, it will survive, and if it doesn't, it will be cast into the outer darkness where there is a weeping and a gnashing of teeth. 1)2)
Here followeth a list. Well, some lists. Make of them what you will.3)
Apparently, there is a 50% chance of keeping each item. Good luck. 7)