Relic castle is located in the northern end of desert resort. To reach it, simply head west from the north end of route 4, then head north once you see the doctors. The entrance is marked by several...
In Relic Castle you can obtain these fossils, the Plume fossil and the Cover fossil. The Plume fossil has Archen(Rock Flying), and the Cover fossil has Tirtouga(Rock Water). And if you want a Yamask,...
well,go to route 4 and stop when ur close to nimbasa city. you will see a highway.head left,and then up. your gonna see 2 guys standing together go past them and youl be in another desert.keep going...
you go to the place you talked to ghetsis when you were looking for the light stone or dark stone.then go right and there will be a door go in. you will see a plasma grunt beat him and then go...