The Icicle

The Icicle Come is a weapon that comes in set 2171 Zane DX.

Lego.com Description:
Cold to the touch, this extra long, extra sharp icy spear is a real treat. While not made for the desert, it does make a cool dessert. Just dip The Icicle into a Skulkin, and you’ll have the ultimate Popsicle.