Poison

The Poison is disfunction that prevent the Libraes' sight from seeing what occours between the Hell and the Heaven and various other supernatural appearances, like magical weapons. The Poison also prevent Libraes to being injuried by magical devices, Capricorni, Canceri and others.

The Poison is a aura disfunction that hide the Other War, and prevent them from get seriously and directly envolved. The Poison confuse the brain to make people see others things, like some weapons can be a bag, or a soccer ball, some monsters can be bandits and fights between the troops maybe some other ordinary gang fight.

Special people can see through the Poison and they are called Sagittas or Taurios. They are weaker than the others troops and can't became one of them, but are important objects, 'cause they can "see" better.

Trivia
When Adam and Eve ate the apple, they became affected with a low level of the Poison, so passing the centuries, the Poison start to became stronger.