Clay Tunnel

==Clay Road==

Clay Road is a path between Driftveil City and Twist Mountain. Also Regirock,Regice,& Registeel can be encountered in deep part where you will find the Underground Ruins where you see the statues of the legendary Pokemon.The Regis can only be encounter with proper System Key depending on version. If you beat Pokemon Black Version 2 you automatically unlock Mountain Key. If you beat Pokemon White Version 2 you automatically unlock Steel Key.You can catch both Regirock and Registeel in both versions. You can only unlock Iceberg Key if the opposite versions of the game are connected via Entralink then you are able to battle Regice. Obtaining all 3 Pokemon will unlock Regigigas in Twist Mountain.