A Lvl 1 Lightning Shuriken.
The Lighting Shuriken creates lighting bolts that will stun any enemies. It doesn't do as much damage as the other shurikens, however, its ability to stun the Alpha Worms is very handy to deal with multiple carriers.
A Lvl 2 Lightning Shuriken.
A Lvl 3(Max) Lightning Shuriken.