"And the next coin up is necessary to get any of our powers to persist through torching," says Juliet, "and the next one after that is good for changes to basic laws of nature over a subworld, and a tenner suffices to make a subworld with desired parameters and give you root access to its reality - or just pick up a particularly magic-resistant hell goddess and put her Downside for the admin to deal with, which is what I spent one on."