
As explorers have settled into the island and among the native people, both human and horse alike, whispers of trials begin to thrum steadily in conversation. Horses seem excited, more youthful as the days run on, and even Kes, usually stoic and un-moving, is more friendly!
Eventually the natives begin to dress their villages up with captured fireflies, many Vun-Toj coming from their homes in the forest to aid in the decorating tasks. It's a sight to behold for one not from the island, and eventually you spot a post on the Herds-Master's door.
"Forest Trial to begin soon!
All runners and heavers chosen.
Trial begins sundown on the eighth day.
Bring your flags to Kes to enter."
You're left excited and confused, and so seek out Kes, intent on learning more about this Trial.