The Avos Territory is a large mountainous region in Corkus covering approximately 30% of the mainland, particularly in the northern regions. The territory mostly consists of Corkus' natives, the Avos, who have had conflicts with the Corkian humans, which is why they have erected a wall between their territory and the Corkians' territory.
One Avos Citizen reports seeing humans being catapulted above the village, which happens in the quest The Envoy Part II. He then acknowledges the fact that a trebuchet is the best way to launch 90 kilogram projectiles over a distance of 300 meters. This sentence references trebuchet memes.