The creator of Spawn MMO describes Fable agents producing hourly production builds with rollback in about 30 seconds, and says roughly 60% of work handles errors and requests. Simon Willison tried the castle-and-dragon creation experience, but did not independently verify the company’s spending or overall operational performance. The account also includes a security fix that disabled features. A game experiment with rapid recovery can inform engineering discussions, but its conditions should not be transferred uncritically to high-stakes financial or medical systems.