Shadren I is a planet in the center of the system. There is no atmosphere and it is very cold there. It is closest to the star Shadren. The terrain on Shadren I is very rocky, with volcanoes. The upper and lower eastside are covered with glaciers. There are several crater areas that are the remnants of war. There is a compact group of volcanoes situated in the west. The oldest city on Shadren I is Kidalf Outpost, which lies in a crater from an old ship that crashed there during the war.