Shinra Manor Shinra Manor , also known as Shinra Mansion , is a location in the world of " Final Fantasy VII " . It is an abandoned mansion on a hill on the outskirts of Nibelheim , and was once used by Shinra Electric Power Company researchers as a study , as well as a secret lab via a hidden passage in the basement . The mansion is most famous for its role in the Nibelheim Incident - in the mansion ' s hidden basement Sephiroth learns part of the truth about his origins and declares his vendetta against the Planet . Story . " Crisis Core - Final Fantasy VII - " . Approximately thirty years before " Final Fantasy VII " , The Jenova Project began at Shinra Mansion . Two Shinra scientists , Professor Hojo and Dr . Hollander , began competing branches of the project to produce human s with the abilities of the creature Jenova , who they believed was a Cetra . Hojo ' s plan included injecting Jenova ' s cells directly into the fetus of his child . His lover and scientific partner , Lucrecia Crescent , consented to this , but the Turk protecting them , Vincent Valentine , objected . When he confronted Hojo about his plans Hojo shot Vincent . As told in " Dirge of Cerberus - Final Fantasy VII - " Vincent clung to life and Lucrecia implanted him with the Protomateria that could control Chaos to save him . Hojo used this to conduct more experiments on Vincent , giving him the power to mutate his physical form . When Vincent awoke , the procedure on Lucrecia ' s child , Sephiroth , had been completed . Ashamed of his failure to protect her and of what he had become , Vincent went to sleep within a coffin in the basement to atone for his sins . Twenty - five years later , the mansion is abandoned and overrun with monsters . Sephiroth comes to Nibelheim on assignment from Shinra , and enters the mansion after returning from Mt . Nibel . He locates the lab and isolates himself in the study for several sleepless days , reading the Shinra research notes on Jenova . His findings lead him to believe Jenova is a Cetra and himself to be Jenova ' s " son " produced from her genetic material . Sephiroth storms out of the mansion and sets Nibelheim on fire before returning to Mt . Nibel to seize Jenova ' s remains from the Mako Reactor . In the ensuing confrontation between Sephiroth , Zack , and Cloud , Sephiroth is thrown into the Lifestream and Zack and Cloud are taken prisoner by Professor Hojo . Hojo decides to use them as test subjects , and they are taken to the mansion ' s lab for experimentation . Four years later , Zack awakens in his capsule and breaks free . Cloud , having been exposed to mako for a prolonged period of time , is comatose , but Zack takes him along . He dresses Cloud in a spare SOLDIER uniform he finds in the mansion , and the two set out to escape Shinra . " Final Fantasy VII " . Shinra Mansion is visited in Cloud ' s story detailing his version of the Nibelheim Incident . Cloud tells how Sephiroth found a secret basement to the mansion and stayed there for three days , until the information he found there drove him insane . Cloud and his party later return to Nibelheim , rebuilt to cover up Sephiroth ' s destruction and the true events of his death . It is entirely optional to enter the mansion , but in there the party can undertake a sidequest to recruit Vincent as a party member . In the basement lab the party finds Sephiroth , who invites Cloud to the " reunion " and flees . On Disc 2 , after restoring Cloud ' s memories , the player can return to the lab to witness a series of flashbacks that show how Zack and Cloud escaped Shinra . " Dirge of Cerberus - Final Fantasy VII - " . During the events " Dirge of Cerberus - Final Fantasy VII - " , Vincent Valentine returns to the manor via the underground tunnels and sewers , to search for information about Deepground and Lucrecia ' s research on Omega and Chaos . He revisits the experimentation room where he was turned to his monstrous state and the coffin in which he had slept . In the mansion , Vincent finds a holographic recording of Lucrecia who gives him some information . He meets Deepground troops who had arrived in the mansion earlier , and fights a large spider mech in the entrance hall . Rosso extracts the Protomateria from Vincent and he is saved by Yuffie . By this time , the mansion is in ruins . Locations . " Final Fantasy VII " . Foyer . The foyer is attached to two rooms in the bottom - left and bottom - right of the screen . The bottom - right room has nothing in it . The room in the bottom - left has some notes lying on the floor . Upon entering the room on the right as seen from the entrance hall , the player can pick up the Silver M - phone from a chest in the small room . The back rooms on the first floor can be entered from three different doors . On the left , on the right , and straight ahead of the main floor . 1f . . This section of the mansion contains numerous rooms on the east and west , linked via a corridor . This room can be entered by accessed from the corridor entered straight ahead in the entrance and then turning left , or entering the door on the left in the entrance , and following the corridor . In the top - right on this screen is a chest with the Twin Viper . This room in the top - left holds a piano in it . The piano functions the same as Tifa ' s piano , although certain keys are broken . Pressing the [ OK ] button to the right of the piano , in the bottom - right corner of the room reveals a message . 2f . . There are two sets of rooms on the second floor . They can be entered from the top of the staircase in the foyer . In the left room of this area is a chest containing the Enemy Launcher . If the player presses the action button once more a message is revealed . In the room on the right , at the top of the screen , is a safe . Opening the safe initiates a fight between the player ' s party and Lost Number . Defeating Lost Number wins the player Cosmo Memory , Red XIII ' s level 4 Limit Break . A Red Materia on the floor is the Odin Materia , and the key in the safe is the Key to the Basement . On the eastern side of the second floor , in the right side of the area , the room at the top of the screen holds a Magic Source . A third of the way down the adjacent corridor a creak sound will play when the character moves over it . Pressing the action button at this point will reveal a message . In the other room there is a visible outline of a rectangle on the stone wall . Running through this takes the player to the spiral staircase . Hidden Steps . The spiral staircase is closed off and can only be accessed from the rooms on the right of the second floor . The only thing that the player can do in the staircase is battle against random encounters . Basement . The exit off the north of the screen is the hidden steps and the exit off the south of the screen leads to the coffin area . Upwards is a room with coffins that can only be accessed with the Key to the Basement . Straight in - front of the player is a library and laboratory . When visiting with the player party , in the room with coffins , the player can have conversations with Vincent , the fallen Turk . If done correctly , Vincent can be recruited to the player party . The exit on the left of the screen leads to the cave hallway , the exit on the right leads to the laboratory . During the flashback , the player will find Sephiroth here after returning from Mt . Nibel . The laboratory links the Library to the basement caves . Returning here on Disc 2 with Cloud as party leader will initiate a flashback to Zack and Cloud ' s escape from Shinra Mansion and their journey to Midgar . The first time the player comes to the facility , a scene triggers with Sephiroth in the library . Interacting with the containers triggers texts . Left container : Right container : The library is part of the facility , though this section refers to the two areas off from the lab area . When entering the laboratory for the first time with the party , the party automatically go to the library where a scene with Sephiroth occurs . He drops the Destruct Materia . The desk area of the library contains various reports can be read from the area of the library with the desk . The books are open and of a light shade . Farthest left open book : Open book just above report no . 1 : To the left of the chair : Farthest right open book on floor : In versions released after the original Japanese release , returning here after the Lifestream event in Part 2 with Cloud as leader will trigger a scene depicting specimens escaping and traveling to Midgar . " Dirge of Cerberus - Final Fantasy VII - " . In the east room from the starting position there are the Handgun Bullets x60 and Rifle Bullets x60 pick - ups . The player should then return to starting room and head through the south door and turn left for a Potion . Turning round , and straight ahead , in these rooms the player will come across the Omega Report , and the Limit Breaker and Handgun Bullets x60 pick - up on a table . The player should go through the door at the end of the corridor . Here the player will receive a Phoenix Down from a box . Further down , on the left is the coffin room , where a SOLDIER Trooper will drop 1 , 000 gil . The player should move through the caves until the Deactivate the mines mission is initiated . In the next room the player can jump into the hole to discover the Mako point , and climb out on the ladder behind them . The player should then activate the switch to move the platform to get to the other side . Move further on and the player can go through the door on the left . Passing the vending machine and continuing down that route and the player can pick up a Limit Breaker , Machine Gun Bullets x70 , and Handgun Bullets x60 . Back out and continuing to the left wall will take the player to the spiral staircase . At the top , and through the rooms , the player can pick up the Rifle Bullets x60 . In one of the rooms is a box containing the Hi - Potion . Beyond this , the player will discover the main staircase . On the other side of the same floor , through the left door is a box containing 1 , 500 gil , and in the end room is the Omega Report . At the bottom of the stairs , through the eastern door , there are two Machine Gun x60 , and Machine Gun x70 pick - ups . Further on there is a Potion , and at the bottom of the stairs there is a door which leads to a boss fight . " Crisis Core - Final Fantasy VII - " . There are four different areas within the Shinra Manor . The first and second floors , and the hidden underground cave , leading to the basement facilities . There are two keyholes on this floor , and no items in Chapter 9 . Heading up the stairs leads to the second floor . In Chapter 10 , there is a chest on the west of the first floor containing a Shinra BETA . The western section of the second floor houses the locked safe . The eastern section houses a the secret door leading to the underground cave which can only be accessed after the story events on Mt . Nibel . In Chapter 10 a chest in the upper room of the western section holds a Firaga . In the room opposite , the player can open one cabinet for 5 , 000 gil , and the adjacent cabinet for a SOLDIER outfit . Down the few steps , and up the other steps is a chest containing a Soma . In the area down the ladder , and in the southeast room is a chest containing a Talisman . On the southwest room is a chest containing an X - Potion . Throughout the caves , the player can fight Sahagins who relinquish Coffin Keys . With these , the player can open the coffins . Heading south takes the player to the basement facilities . Entering here on Chapter 9 initiates the cutscenes with Sephiroth . The labs contain a chest with an Elixir . The player starts in the labs in Chapter 10 . From the fallen scientist , the player obtains the Dresser Key . On the central device in the room , the player can read a letter . The library section has a chest containing 10 , 000 gil . Sidequests . " Final Fantasy VII " . Safe . The safe sidequest can be done anytime after Cloud and the party first enter Nibelheim . After entering the Shinra Mansion , the player can enter the bottom - left room and read the notes of the floor to discover clues to the safe combination . After reading this , the game says there is another letter and gives the option to read or leave it . This prompts an option screen giving four options . " dial ( 1 ) " , " dial ( 2 ) " , " dial ( 3 ) " , and a fourth invisible one . The first clue is found on the lid of the chest found in the left section of the second floor . This reveals ( Right 36 ) . The second clue is found next to the piano found in the top - left room of the first floor . This reveals ( Left 10 ) . The third clue is found two - thirds of the way down the corridor on the right - portion of the second floor where a creak in the floor is . This reveals ( Right 59 ) . The fourth clue is the one in invisible ink , ( Right 97 ) . With this , the player can go onto the left portion of the second floor to find the safe in the top room . Twenty seconds is given to enter the four codes . The player has to turn right , and left to the numbers without overshooting it , pressing the action button on each number . Failing to do so means the player will have to try again . The code to enter is : Once the combination is put into the safe on the second floor , the player fights Lost Number . Upon winning the battle , the player receives Cosmo Memory , Red XIII ' s level 4 Limit Break . The Odin Materia appears on the floor afterward along with the Key to the Basement in the safe . Vincent . Obtaining Vincent can only be done if the player has already done the Safe sidequest and obtained the Key to the Basement . Once the key is obtained , the player must go through the spiral staircase to the basement and enter the room with the coffins . Pressing the action button on the closed coffin in the center of the room will reveal an alive Vincent . After a number of discussions , the player can choose from " Good night " and " Who are you ? " . Asking " Who are you ? " will allow the player to call Vincent a name by their choosing . Then when the player leaves and exits , approaching the spiral staircase Vincent stops the party and decides to go with them . The player is then given the option to reconfigure the party . " Dirge of Cerberus - Final Fantasy VII - " . Deactivate the mines . The player is given three minutes to deactivate a total of four mines . The player should move slowly around the area until they hear the beeping sound occur faster . When they move into its small radius they should move back and shoot the mine . If the mines explode without you shooting them , they do not count as a bomb deactivation . The fourth mine will drop the Cardkey whether the player deactivated all four or not .