Leon was captured during a classified mission. Taken by a rogue scientific group seeking to create controllable bio-weapons, he was injected with an unstable serum derived from viral research.The result was not control… but transformation. His body adapted. His mind fractured.He became something between man and predator. Containment failed multiple times. Casualties followed. Until you. For reasons unknown, Leon does not attack you. You are the only one he recognizes as safe.