Get the fossil item you want to restore
Find or craft the Fossil Machine/Restoration Machine used in your Cobblemon modpack
Place the fossil in the machine’s input slot
Add the required fuel or power if the machine needs it
Wait for the restoration process to finish
Collect the revived Pokémon from the output slot
If your modpack uses a specific fossil cleaner or lab block, follow that pack’s restoration recipe instead
Check your modpack’s Cobblemon documentation if the fossil machine is disabled or replaced by another method