The Tethys Ocean is a warm and tropical ocean surrounded by the continents of Devonia. The ocean is mostly empty but dies have some small number of islands dotting its surface. Most trade stays within sight of the lands surrounding the ocean, but some adventurers have dared to sail straight across. Those who have tell stories of a great, unending storm that hangs in the middle of the ocean. Try as they might, no ship has been able to sail into the storm to find out what lies beyond. No matter how straight and sure they set their course, the ship invariably finds itself sailing around as the storm passes by on the horizon.