The Yerebatan Cistern

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The Yerebatan Cistern is a memory in Assassin's Creed: Revelations.

Description

Ezio Auditore enters a cistern underground located directly underground of the location where Niccolò Polo's old trading post. There he assassinates multiple Templar Captains commanding the excavation, to gain multiple keys letting further progress through the cistern. Ezio is able to retrieve the key by using a hidden passage.

When exits the cistern he meets up with Sofia Sartor, showing her the map of Constantinople with the locations of many rare books.

Dialogue

Ezio arrives at the underground cistern.

Ezio meets up with Sofia Sorto.

Outcome

Ezio retrieves one of Altair's Key.

Trivia

To achieve full synchronization, Ezio must not be detected.

Assassin's Creed: Revelations memories
Main memories
Sequence 1: A Sort of Homecoming
The Hangman - A Narrow Escape - A Journal of Some Kind - A Hard Ride - The Wounded Eagle
Sequence 2: The Crossroads of the World
A Warm Welcome - Upgrade and Explore - The Hookblade - The View from Galata - Advanced Tactics - On the Defense - On the Attack
Sequence 3: Lost and Found
The Prisoner - The Sentinel, Part 1 - Guild Contracts - Bomb Crafting - A Familiar Face - The Yerebatan Cistern - Quid Pro Quo - The Mentor's Keeper - Curse of the Romani - The Sentinel, Part 2
Sequence 4: The Uncivil War
The Prince's Banquet - An Uneasy Meeting - The Fourth Part of the World - Signs and Symbols, Part I - Galata Tower - The Mentor's Wake
Sequence 5: Heir to the Empire
The Janissaries - The Arsenal Gates - Arsenal Infiltration - Portrait of a Lady - Signs and Symbols, Part II - The Forum of the Ox - A New Regime
Sequence 6: Fortune's Disfavor
Into the Shadows - Honor, Lost and Won - Bearer of Mixed Tidings - A Little Errand - Signs and Symbols, Part III - The Maiden's Tower - The Mentor's Return - Setting Sail
Sequence 7: Underworld
The Hidden City - The Spy Who Shunned Me - The Renegade - Decommissioned - Last of the Palaiologi - Escape - Passing the Torch
Sequence 8: The End of an Era
Discovery - The Exchange - End of the Road
Sequence 9: Revelations
A Homecoming - Lost Legacy - The Message
Secret locations
Hagia Sophia's Secret - The Impaler's Tomb
Citizen recruitment
The Brawler - The Pupil - The Avenger - The Acrobat - The Beggars - The Pickpocket
Master Assassin missions
The Deacon (Part 1 - Part 2) - The Trickster (Part 1 - Part 2) - The Champion (Part 1 - Part 2) - The Guardian (Part 1 - Part 2) - The Vizier (Part 1 - Part 2) - The Thespian (Part 1 - Part 2)
Faction HQ missions
Unfortunate Son - Loose Lips
Book quests
The Polo Symbols: Hippodrome - The Polo Symbols: Galata - The Polo Symbols: Arsenal - The Polo Symbols: Forum of the Ox - The Polo Symbols: Aqueduct - The Polo Symbols: Church I - The Polo Symbols: Church II
Piri Reis missions
Thunder - Smoke Screen - Cherry - Datura - Caltrops - Smoke Decoy - Sticky Situations - Tripwire
Desmond's Journey
Doubts - Training - Escape - Metropolis - Regret
The Lost Archive
The End Is Only the Beginning - The Order - Abstergo - The Mole - Bleeding Effect - The Truth - The End of the Line