BY THE FOUNDING COUNCIL of Prophets
All the lands
You must only use your prophesying gift for good.
You must not use your gift for your own gain. Ever.
You must tell the future exactly as you have seen it unfold before you.
You must decide whether you would like to become a prophet before your first child is born, trading your gift of magic for a gift of prophecy.
If you decide to become a prophet, you cannot ever have your magic gift restored by the Old Man’s Great Book, which is sometimes a possibility. The possibility of restoring a magical gift remains if one does not choose to become a prophet and simply lets the magic fade away upon bearing a child.
Upon becoming a prophet, you are only permitted to use your former gift of magic one more time, on one of your birthing days. After you use this last bit of magic, you die.
Those who choose to become prophets retain limited immortality. (What is limited immortality? It is this: If you use your gift of prophecy well, you live. If you do not, you die. It is anyone’s guess what “well” means.)