The freeform story rules in 13th Age require a different approach to adventure design. At Gen Con 2014, Philippe-Antoine Ménard (aka Chatty DM), Gareth Ryder-Hanrahan, Rob Heinsoo and ASH LAW presented a seminar on how to design great adventures for 13th Age. Video recorded by Kendall Jung.
Watch this on the 13th Age YouTube channel here.