Informative

The masks were only ever past down once, as they belonged to the last eight.
They were legends,myth,to meet one is the greatest honour,to face one as an enemy is a death sentence for they are known as:

Serpent-the betrayer

Siren-the deceiver

Whirlpool-the banished

Kitsune-the demon

Wolf-the sage

Crow-the avenger

Dragon-the hunter

Demon-the unwanted

And this, is there story,the story of hells' gate