Flacor

When the first explorers settled the coast 5 years ago, they found a wondrous sight. An impressive floating city, high above an open plain near the coast. Below the city was a small building with an alter and a collection of medallions. Pressing the medallion to the alter transports a person into the abandoned city and the temple below always seems to have more medallions. Colonist were also quick to learn that the city defends itself, as a raiding party of locals was blown away by some sort of magical cannons shortly after the colonist arrived. No one knows why the city allowed itself to be settled but as more colony ships come, there isn't enough room to farm right below the city in the safe zone. Someone will need to venture into the wilds.