Forever Contract
An infinitely long contract that is thought to be 99.9% filler. The contract can only be written by the all-powerful deity known as the Filler God.
Filler God: "If you want me to resurrect Jonny, you must sign my Forever Contract with your blood."
Jack: "Yes! Sure! Anything to revive Jonny!"
Jack: "Yes! Sure! Anything to revive Jonny!"