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Vesper's Host

Vesper’s Host is a dungeon released with Episode: Revenant on October 11th, 2024.

  1. During the servitor maze after nuke 4 and before 5
    • Requires messages 1-3 to have been completed
  2. Tripmine room
    • Requires messages 1-6 to have been completed

Note that you should make sure you follow the quest from Spider while doing these messages, as they may have small intermediate steps.

  1. In the first encounter area, inside the red heart room with 4 plates

  2. Complete the first section of the maze (dunk 3rd nuke first), and complete the puzzle in the first section

  3. After the second encounter, during the parkour section with lightning.

    Plate 3 is near the display screen.

    Doing Message 1-3 will unlock the first secret chest.


  4. In the first encounter area, inside the red heart room with numbers panels. Scanner is inverted in this section.

  5. After the second encounter and during the parkour section with the brig. Find the terminals with scanner and operator and do the same as message 4.

  6. After the second encounter and during the parkour section with the lightning, after you defeat the Tech Priest. Repeat the same mechanic as message 4 and 5.

    Completing Message 4-6 will unlock the second secret chest.


  7. In the first encounter area, inside the red heart room. Shoot panels to add up to the blue number.

  8. After the servitor maze, shoot the numbers that multiply to the large blue number.

  9. After the first spacewalk section, right before the tripwire room. Make 2 small blue numbers that multiply together to make the big blue number.

Required for the Icebreaker catalyst, and weapon focusing.

Pick up Operator and perform this sequence:

  1. Activate the Top Right
  2. Enter 1-0-0-0 on the Top Left
  3. Activate the Bottom Right
  4. Enter 4-1-1-1-4 on the Top Right
  5. Activate the Bottom Left
  6. Enter 0-0-1-1 on the Bottom Right
  7. Activate the Top Left
  8. Enter 1 at the Bottom Left
  9. Activate the Bottom Right
  10. Enter 0-1-0-0 on the Top Left
  11. Activate the Bottom Left
  12. Enter 0-0-1-0 on the Bottom Right
  13. Activate the Bottom Right
  14. Enter 3 on the Bottom Left
  15. Activate the Top Right
  16. Enter 3 on the Bottom Left
  17. Activate the Top Left
  18. Enter 1-1-4 on the Top Right
  19. Activate the Top Right
  20. Enter 0-1-0-1 on the Top Left
  21. Activate the Top Left
  22. Enter 1-2-1-1-4 at the Top Right
  23. Activate Bottom Left
  24. Enter 0-0-1-0 at the Top Left
  25. Enter 0-1-1-1 at the Bottom Right

Source