Katomi

Black Obsidian is a very powerful and creative stone. It increases self-control, releases imbalances and negative energies. Black Obsidian is protective and provides support during change. It repels negativity and disperses unloving thoughts.
Pi Yao also known as Pi Xiu, Pi Xie, its a symbol traditional of protection, luck and richesse in Asia.It is believed to bring fortune, good tidings and protection to his owner.
It is not only a guardian god, but also can bring in abundant source of monetary revenue and land-office business.