Using ZGG material in the FFC era.

[aldarron]

Absolutely. As you know, my campaign is set hundreds of years earlier and I use as much of the ZGG material as feasible. Magic items can usually be converted pretty easily, fluff is usually independent of the rules and monsters can be converted. If you are only going back 30 years you can use even more. The stuff I avoid is the overly complex numbers of organizations and seemingly redundant or late era monsters (tieflings, dragonborne, etc.), and character classes that make no sense in the system I use.