This technique enables a user to create a funnel of ice and shape it into the length and likeness of a sword. The resulting blade, made only of ice, is extremely sharp but tends to be brittle and can easily shatter if used in the hands of a novice. An adept at the technique can increase the hardness of the blade, making it less likely to shatter upon contact with a hard surface, such as rock or armor. In addition, lower level users need a pre-existing source of ice to create the blade, a user who is more adept at the technique can simply use their body heat as a conduit for the necessary chill.