Erosion Counter
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Sabitsuki's room at 50 points
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Sabitsuki's room at 100 points
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Sabitsuki's room at 150 points
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Sabitsuki's room at 180 points
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Sabitsuki's room at 200 points

The Erosion Counter is a marker of how much Sabitsuki has been damaged by Rust. A good deal of things you do/see in the subconscious world will cause the Erosion Counter to go up:

Increasing the Counter

  • The White Room event increases the counter by 50 points the first time and 10 points on subsequent visits
  • The Dying Girls event also increases the counter by 50 points the first time and 10 points on subsequent visits
  • Getting caught by a Kaibutsu may or may not increase the counter by a varying amount, depending on the location
  • Being corrupted (touched) by a Red Demon increases the counter by 3 points

Results of raising the Erosion Counter

  • As the Erosion Counter goes up, so do the number of blood stains on Sabitsuki's Room. The different phases can be seen in the images on the right

Decreasing the Counter

Decreasing the Erosion Counter, or at least cancelling out its effects, is possible. This will heal Little Sabitsuki and remove the blood stains from Sabitsuki's room (with the exception of the stain on the keyboard).

Theories

  • At 180 points, three curious looking boxes with red tubes appear around the computer. It is possible that her condition, from this point on, is far too severe to go on untreated, and that she needs to be hooked up to these appliances in order to survive