C563 The Head of the Black Dragon Was in the Sky

The Rosscastle Beck was the longest and widest river in the Ysdorei.

The Ysdorei was the largest inland sea in the world. Including the Silverflow River, it originated from the westernmost Spirit Mountain. It spanned the entire Ysdorei Empire and the heart of the Chewen Empire, and headed straight to the outer sea to the east of the continent