Board Thread:General Discussion/@comment-25936766-20170820043030/@comment-4010415-20170823235755

When you take this:

ChishioKunrin wrote: From WoR: Between Kingdoms: "At this point, pretty much every inch of Remnant has been mapped out. Although there are some areas that no one's gone into and come out alive."

If I had to guess, the wyvern continent is one of those areas that "no one's gone into and come out alive." and combine it with the fact that, as far as we have been shown, there still aren't settlements on the wyvern continent, I think it's safe to assume that the wyvern continent is too dangerous.

I'd guess they mapped out the shape of the wyvern continent by going along its coasts or something.