The Dynastic Tombs is the area accessed during the solo challenge mission Remains of Sahlahja. It cannot be accessed through any other means. While in this area you are constantly under the environmental effect Corrupted Lands and so have a health degeneration of 1. This area contributes roughly 2% to the Elonian Grandmaster Cartographer title. Mapping the whole place is not needed to achieve 100% for this title, as there is some leeway given.