The Stone Reefs are natural environmental barrier encountered in the world of Arcadia, and function very similarly to sky rifts in that the player cannot pass through them until certain conditions are met. A Stone Reef is best described as a massive wall of floating gravel, stone, and boulders represented as ranging in size from sand to small islands. Unlike sky rifts, Stone Reefs do not extend into the lower elevations of the sky, but it remains that they are on the order of thousands of feet tall and, in some cases, thousands of miles long (or the Arcadian equivalent thereof) generally spanning regions the size of continents or larger. The nature of Stone Reefs makes them major geographical barriers or junctions for most regions, but in some cases leads to isolated pockets of the world t