Now all you need to do is stand on the pentagram and summon 5 goat carcasses to become Devil Goat. Around the World on 5 Trampolines. To obtain this achievement, ...

This will also unlock the Devil Goat Achievement. Airtime: Be airborne for 6 (easy), 9 (normal), and 18 (hard) seconds. First, complete Goat Castle and Ritual quests.