Next to the wagon behind the barn (where you got the Red Herb in the main story).This is the building that you needed Ashley's help to enter in the main story. Inside the first building on the left (dead-end).Inside the first building on the right (open-ended barn).
On the path immediately to the left of the starting position.If things are looking grim, check one of these spots if you haven't yet been there! Their positions are randomized at the beginning of each match, but they're chosen from a limited pool. Bonus Orbs grant you additional time or fill your Mayhem Meter.