Originally Posted by
Trenloe
The lookup data functionality is an exception to this. It was specifically designed to have data listed in individual products (in this case the Creature Abilities at the back of the Bestiary) available for linking from other data records. We followed the same process that Paizo use, linking commonly used features to a single location to reduce space in the product, but also to allow errata to be more easily updated. I get you are saying, but this is an exception to the rule that adventure modules are self contained.