Sibiatu's Bitterness, also known as Inevitable Grace during the Pax era, is a planet in the Lacaille 9352 star system, at a distance of 10.7 light years from Old Earth System.[1]

Prior to the Fall, Sibiatu's Bitterness was part of the WorldWeb. A section of the River Tethys passed through the world, flowing through a perspex tunnel holding a temperate oxygen-nitrogen atmosphere, due to the planet's sulfurous environment and toxic "methane winds".[1]


  1. 1.0 1.1 Endymion, 1995, 316.

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