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Grisha Yeager's basement

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This article is about the location beneath the Yeager family household. For the 85th chapter of the Attack on Titan manga, see The Basement.

Grisha Yeager's basement (グリシャ・イェーガーの地下室 Gurisha Yēgā no chikashitsu?) is found beneath the Yeager family's house in the Shiganshina District. This place was supposedly used by the head of the family Grisha Yeager for his work as a doctor;[1] however, after the fall of Wall Maria, it was revealed that it actually stored an important secret concerning the Titans, and Grisha entrusted his son Eren Yeager with the key to unlocking this secret and the mission to reach the basement and discover it.[2] To find this secret was one of the goals of the Survey Corps during the expedition which led to the Battle of Shiganshina District.[3]


Entrance to the basement

The entrance to the basement

The basement is located beneath the Yeager family's house in Shiganshina District. It is accessed through a wooden door without a key, in the ground of the house which leads to a staircase. It seems to be adequately placed or protected against water as it did not flood despite the house being destroyed and remained abandoned for 5 years. At the end of the staircase, there is the basement, protected by another wooden door locked with a padlock. The whereabouts of the key for this padlock are unknown.

The basement is a small room with a desk, a chair, and several shelves containing bottles of medicine and books about medicine.
Basement's door

The room's door

However, it was noted that this is just a facade meant to prevent suspicions from the Military Police Brigade in the case of inspection.

In the desk, there is a hidden drawer, opened with a key Grisha always kept with him and passed to Eren shortly before his death. Although the drawer seems to be empty, it has a false bottom, containing three books treated with peppermint oil and charcoal to keep moisture and bugs away,[4] and a photograph in one of them of Grisha with an unknown woman and child dressed in elegant clothes. A message in the back of the photograph reveals Grisha's origin and the true state of humanity.[5]


It is unknown whether the basement was built after Grisha Yeager arrived at the Walls in the year 832 or if it already existed by then. However, it is known that after Grisha married Carla Yeager and they had their son Eren, Grisha would not let Eren see the basement, with Carla explaining that her husband's very important work tools were down there.[1] It is unknown if Carla knew what Grisha was really hiding in the basement.

At some point, Eren also asked Grisha when he was going to show him the basement, to which Grisha responded that he did not know, but maybe when Eren realized "the most important thing of all".[6]


Grisha promises to show Eren the basement

Grisha promises to show Eren the basement

One day in year 845, after Eren expresses his interest in joining the Survey Corps and seeing the world beyond the Walls, Grisha goes to a journey and promises to show him what he has been keeping secret in the basement once he comes back.[7] However, later that day Shiganshina District is breached by the Colossus and Armored Titans and the district along with the whole territory of Wall Maria are lost to the Titans.[8][9]

After learning of the fate of the district and the death of his wife, Grisha takes Eren to a forest and gives him the key he always carried with him, instructing him to never let it out if his sight, and giving him the mission to recapture Wall Maria and go to the basement, telling him that the powers he is going to give to him will be useful then.[2]

Grisha then injects Eren with Titan serum, triggering a transformation into a mindless Titan, and allows himself to be eaten by him, passing him his Titan powers and the Founding Titan he had previously stolen from Frieda Reiss.[10] The process causes memory loss to Eren, and he forgets the incident, only recovering some sporadic flashbacks from time to time.[11][citation needed]
Grisha gives Eren his key and tells him to find the basement

Grisha gives Eren his key and tells him to find the basement

Five years later, after the Survey Corps learn this and about Grisha's Titan shifting powers, his attack on the Reiss family[12][13] and the details of his past revealed by Keith Shadis that suggest that the came from outside the Walls,[14] Commander Erwin Smith concludes that the basement is probably hiding the memories of the world that the First King erased from people's minds, and decides to lead the Corps to Shiganshina with the purpose of finding the basement and discovering this secret.[15]

The Survey Corps reach Shiganshina and successfully plug the hole in Wall Maria, but Zeke, Reiner, and Bertolt ambush them and in the subsequent battle most of the soldiers are killed. When the fight seems lost, Erwin reveals that he still has a plan to win but does not want to apply it because he will die as a result, and he does not want to die without seeing what is in the basement, revealing that the reason he was able to make it that far was because he was waiting for the day he would get answers to his questions. However, on Levi's advice, Erwin drops his dream and puts his plan in motion, dying along with most of the recruits.[16]

Grisha's books

The secret drawer and the books hidden in it

After the end of the battle, Hange Zoë, Levi, Eren and Mikasa Ackerman head to the basement and manage to find it. Hange is satisfied to see that the entrance was not flooded after years of abandonment, but when they descend the staircase and reach the door of the room, they are surprised to see that the key Grisha gave to Eren was not for its padlock.
Grisha with his former family

The photograph found in one of the books

Nevertheless, Levi destroys the door and they enter the room. At first sight, the room seems like the regular workplace for a doctor, filled with bottles of medicine and books about medicine, but Hange deduces this is just to avoid suspicions from the Military Police, and Levi orders Eren and Mikasa to keep searching.[17]

Mikasa finds a keyhole in the desk which turns out to be the one opened by the key Eren has. They find a drawer which seems to be empty, but Levi discovers a false bottom containing three books treated with peppermint oil and charcoal to keep moisture and bugs away.[18]

In one of those books, there is a picture of Grisha with an unknown woman and child, all dressed in elegant clothes. The Corps are astonished to see that the picture seems too elaborated to be a portrait drawn by human hands, but Eren reads a message written by Grisha in the back stating that this is a photograph, a technology unknown within the Walls, and that Grisha came from a civilization beyond the Walls, where humanity enjoys a refined existence; revealing that humanity has not perished as the Royal Government had made believe.[5]

Titles of the three books found in the basement are later revealed to be: "The Early Life of Grisha Yeager", "Titans and Everything Known of History", and "Information About the World Beyond the Walls".[19]


  • Despite the fact that the basement was made to appear nonsuspicious in the event of Military Police Brigade inspection, there appears to be an electric light bulb in the ceiling of the basement.[20] This error was corrected in the Volume 21 release, where the light bulb is replaced with a gas lantern.


  1. 1.0 1.1 Attack on Titan manga: Chapter 85 (p. 23)
  2. 2.0 2.1 Attack on Titan manga: Chapter 10 (p. 34-36)
  3. Attack on Titan manga: Chapter 72 (p. 5)
  4. Attack on Titan manga: Chapter 85 (p. 25-39)
  5. 5.0 5.1 Attack on Titan manga: Chapter 85 (p. 46-47)
  6. Attack on Titan manga: Chapter 85 (p. 24)
  7. Attack on Titan manga: Chapter 1 (p. 38-40)
  8. Attack on Titan manga: Chapter 1 (p. 48-50)
  9. Attack on Titan manga: Chapter 2 (p. 30)
  10. Attack on Titan manga: Chapter 63 (p. 18-20)
  11. Attack on Titan manga: Chapter 3
  12. Attack on Titan manga: Chapter 62
  13. Attack on Titan manga: Chapter 63 (p. 10-22)
  14. Attack on Titan manga: Chapter 71
  15. Attack on Titan manga: Chapter 72 (p. 1-5)
  16. Attack on Titan manga: Chapter 80 (p. 21-30)
  17. Attack on Titan manga: Chapter 85 (p. 19-35)
  18. Attack on Titan manga: Chapter 85 (p. 36-39)
  19. Attack on Titan manga: Chapter 89 (p. 21)
  20. Attack on Titan manga: Chapter 85 (p. 32 & 33)


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