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In the Shadow of the Study
Hogwarts Legacy

In the Shadow of the Study

Complete walkthrough for the 'In the Shadow of the Study' quest in Hogwarts Legacy. Learn how to start the quest, solve Slytherin Lock puzzles, and decide whether to learn the Cruciatus Curse.

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Complete walkthrough for the 'In the Shadow of the Study' quest in Hogwarts Legacy. Learn how to start the quest, solve Slytherin Lock puzzles, and decide whether to learn the Cruciatus Curse.

Walkthrough
  1. 1
    Begin the quest by meeting Sebastian outside the Slytherin common room at Level 16, after completing 'In the Shadow of the Bloodline.'
  2. 2
    Follow Sebastian to speak with Ominis about Salazar Slytherin’s Scriptorium.
  3. 3
    Convince Ominis to reveal the Scriptorium's location.
  4. 4
    To open the Scriptorium door, use Confringo on three unlit braziers in quick succession (two in front of Ominis, one to the right).
  5. 5
    Inside, repair the broken wall decoration using Reparo and collect the note from Ominis' Aunt Noctua.
  6. 6
    Listen as Ominis speaks Parselmouth to open the grand door.
  7. 7
    Solve the first Slytherin Lock puzzle by matching the symbols on the door (circle and infinity loop) with those on the lock's wheels.
  8. 8
    Locate the second door with a devil-like symbol and a z-shape. The corresponding Slytherin Lock is behind a half-opened gate; crouch to access it. Collect another Noctua note.
  9. 9
    Proceed through the second door to find a third door with an alpha symbol (α) and a triangle symbol. There is a gear chest and another Noctua note here, but no lock.
  10. 10
    Return to the first opened door, follow the passage, and drop down to find another Noctua note and a Slytherin Lock.
  11. 11
    Pass through the third door (from step 3). The door will close behind you. Collect the final Noctua note.
  12. 12
    Speak to Ominis to convince him to use the Cruciatus Curse to open the door; he will refuse.
  13. 13
    Sebastian will offer to teach you the Cruciatus Curse. You have three choices: refuse to learn it (Sebastian casts it on you), agree to learn it but have Sebastian cast it on you, or learn it and cast it on Sebastian.
Tips
  • Use Lumos to see symbols more clearly when solving Slytherin Lock puzzles.
  • There are 5 notes from Ominis' Aunt Noctua to collect in the passages leading to the Scriptorium.
  • Choosing to learn or cast the Cruciatus Curse has narrative consequences but no direct gameplay punishment, though you may feel morally conflicted.
  • Learning the Cruciatus Curse (optional).
  • Experience points.

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