Pouch of Frozen Passage

Power (Daily): Standard Action. You fling ice
crystals from the pouch onto an area of open
liquid, freezing up to 20 squares of the liquid's
surface. The frozen surface is normal terrain
and can support the weight of up to twenty
Medium, five Large, or one Huge. The pouch
can solidify any sort of liquid, from water to
lava. The frozen surface: AC 3, Fort 15, Refl 3,
hp 20 per square. It lasts for 4 hours or until destroyed