# Custom Compendiums Never directly edit the system compendiums. They will be erased anytime you update the system. The better options to keep the links between items and properties for example, is to fill a custom compendium using babel. This way, the system compendiums will be overridden by this module. You will need to manually download the following module, and edit json files. Please follow the instructions on : > https://gitlab.com/teaml5r/l5r5e-custom-compendiums