SEV-CASE-0002
Who invented severance, and what does reintegration threaten?
OpenmechanismSeverance · safe through S2E10
updated Oct 2, 2026 · 6 theories · 3 clues · 2 open questions
Severance's origin and its one weakness are the same mystery. The case lines up who actually built the procedure against the evidence that reintegration, putting the selves back together, is the thing Lumon fears most.
What we know
Severance was invented by Harmony Cobel, and Lumon erased her authorship to take the credit.
Supported byWho really invented severance
Reintegration, putting the two selves back together, is the one outcome Lumon treats as lethal.
Competing explanations
How the linked clues affect each explanation. These are not scores: they show how much evidence there is to explore. Pick an explanation, then a clue.
6 competing explanations
Open questions
Did Cobel invent severance?
Is reintegration actually lethal, or just Lumon’s greatest fear?
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A case maps existing Severance theories, clues and characters onto one question. It never duplicates them, and every relationship shown has a rationale you can inspect.