Key System: Difference between revisions

A mysterious door in the [[Clay Tunnel]] gives access to the [[Underground Ruins]], where the [[Legendary titans]] can be found, though only one titan will appear at a time, depending on which key is active. {{p|Regirock}} is the default Pokémon in both Black 2 and White 2. Upon catching Regirock (and not just defeating it, fleeing from it or obtaining it from another game), Black 2 players are rewarded with the '''Iron Key''' (Japanese: '''くろがねのカギ''' ''Iron Key'') and White 2 players with the '''Iceberg Key''' (Japanese: '''ひょうざんのカギ''' ''Iceberg Key''); these allow access to {{p|Registeel}} and {{p|Regice}}, respectively. Players can obtain their final key by transferring it from the opposite version through Unova Link.