Anti-Observer Armament

The Anti-Observer Armaments (対観測者用兵装) were created by humans in ancient times. It is called by this name because it's able to neutralize the Phenomenon Interventions of Observers, and also possesses the Immortal Breaker, power capable of killing those outside of logic.

The following Anti-Observer Armaments are known:
 * Sealed Armament: Izayoi — able to completely absorb specific light waves and fully neutralize Phenomenon Interventions,
 * Zero-Type: Izayoi — able to kill Observers and other creatures outside the logic,
 * Murakumo Unit — designed to kill gods,
 * Black Beast — self-Observing weapon.