Ruined Cistern is a zone found between Flooded Causeway and Path to the Oasis in Act II of Diablo III.
Act II Zones (Diablo III)
- Abandoned Cellar
- Abandoned Mineworks
- Alcarnus
- Alcarnus Cellar
- Ancient Cave
- Ancient Path
- Ancient Waterway
- Black Canyon Bridge
- Black Canyon Mines
- Blighted Sewer (Adventure Mode only)
- Blood Cellar
- Caldeum Bazaar
- Cave of Burrowing Horror
- Cave of the Betrayer
- Chamber of the Lost Idol
- City of Caldeum
- Command Post
- Dahlgur Oasis
- Deserted Cellar
- Desolate Sands
- Eastern Channel
- Eastern Flow Control
- Flooded Causeway
- Flooded Cave
- Fuad's Cellar
- Hadi's Claim Mine
- Hidden Aqueducts
- Hidden Camp
- Hidden Conclave
- Howling Plateau
- Imperial Palace
- Khasim Outpost
- Lair of the Witch
- Mysterious Cave
- Old Fisherman's Cellar
- Palace Gates
- Path to the Oasis
- Ransacked Cellar
- Realm of Shadow
- Road to Alcarnus
- Rotting Cellar
- Ruined Cistern
- Sandy Cellar
- Searing Sands Inn
- Secret Altar
- Sewers of Caldeum
- Shrouded Moors (Forgotten Well, The Sacred Path) (Adventure Mode only)
- Sirocco Caverns
- Soulstone Chamber
- Stinging Winds
- Storage Cellar
- Storm Cellar
- Sundered Canyon
- Swampy Cellar
- The Archives (Adventure Mode only)
- The Archives of Zoltun Kulle
- The Crumbling Vault
- The Forgotten Ruins
- The Fowl Lair
- The Lost Caravan
- The Ruins
- The Storm Halls
- The Terminus
- The Unknown Depths
- The Veiled Treasure
- The Wretched Pit
- Temple of the Firstborn (Sanctum of Blood) (Adventure Mode only)
- Tomb of Khan Dakab
- Tomb of Sardar
- Town Cellar
- Tunnels of the Rockworm
- Vault of the Assassin
- Vault Treasure Room
- Vile Cavern
- Waterlogged Passage
- Western Channel
- Western Flow Control