The Demon Slayer(Item)

Is a sword crafted by the first hunter legend has it that it can killany demon with a stab.

Apperance
It is a small knife with ancient symbols in it.and is made from pure silverbut it was also dipped in holy water and made out of pure iron with a  salt layer beneth.

Possesion
Previous:First hunter

Now:Sean and Sam Chesington (POSSIBLY)