The Death serum is a substance used by Jeanine Matthews. When Tris Prior surrendered herself for testing, Jeanine attempted to use it, but it was actually a different, non-lethal serum dyed purple. The real serum was in Peter Hayes's hands. It is also noted that strong Divergent characters can resist the death serum when Tris resists it in Allegiant.[1]


  • The Death Serum is considered the serum of Erudite.
  • In Allegiant Tris describes that the serum smells like smoke and spice, she also says that you feel the blood replaced with molasses, and the bones with lead, you also feel your body falling to the side.
  • Tris resisted it thinking about the people she loved and the ones who died for her.[2]


  1. Allegiant pgs. 468-469
  2. Pages 467 and 468

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