The Tier Sintricates were a biomechanical species. They were created to manage the Tier stepped habitat, and did so after the habitat's builders disappeared.[1]


The sintricates' bodies were small spheres, half to two metres in diameter, covered in long articulated spines.[1]

Sintricates could float.[2]


Individual sintricates had limited intelligence, but were collectively very intelligent. They distrusted entities that had less of a biological basis than themselves.[1]


  1. 1.0 1.1 1.2 Excession, chapter 6.2
  2. Excession, chapter 7.4

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