Kurai sen'shuriken

this is a jutsu which only jai uchiha has been seen able to use, but he can only use it in sage mode. its destructive power is far greater than that of a normal kurai senko and is thrown towards the enemy, when the shuriken comes in contact with the target it explodes in an elctrical spiral larger than a house, not only hurting them from the impact but electrocuting them.

its appeaence is similar to the kurai senko but is slightly larger and has 4 shuriken blades made from black chakra.