This publication introduces Post-Clarity Structural Entrapment (PCSE), a late-stage condition of coercive control in which the survivor’s epistemic clarity is complete, yet psychological harm persists due to enforced proximity and unresolved structural constraints. PCSE captures a phase of coercive control that emerges after manipulation, identity distortion, and narrative confusion have collapsed, and where the survivor fully recognises and rejects the perpetrator’s tactics. At this stage, control no longer operates through persuasion or emotional dependence. Instead, it is sustained through legal, parental, economic, or institutional bindings—such as court-mandated contact, shared children, procedural delay, or socially sanctioned frameworks of “reasonable” interaction. The perpetrator adapts by withdrawing overt acts and relying on concealment under normality, including tone, timing, ambiguity, and plausible deniability. Harm persists not because the survivor misunderstands what is occurring, but because lawful exit pathways remain unavailable. PCSE is situated within the Ambience Violence Indicator (AVI) framework and the Aggravated Psychological Harm (APH) model, demonstrating that significant psychological injury can exist without confusion, escalation, or visible crisis. Physiological and emotional reactions at this stage are clarified as biological resistance under structural constraint, rather than engagement, consent, or emotional attachment. Apparent compliance or restraint is reframed as strategic survival in the absence of legal recognition. By naming PCSE as a distinct condition, this work addresses a critical blind spot in coercive control jurisprudence: the assumption that recognition or insight terminates harm. PCSE provides a forensic and legal basis for identifying ongoing psychological injury after belief has ended, explaining why survivors may endure continued exposure while awaiting lawful mechanisms to secure peace of mind, autonomy, and protection.