Hypno Stone

The Hypno Stone is a weapon used by Shinigami in the 2012 TV series,  it's a cat's eye shaped mystic gem that have been passed down in Shinigami's family, by swinging it back and forth Shinigami can mesmerize her opponents  as well as terrify them with powerful illusions, when combined with a Kusarigama the stone can also function as a powerful mace.