After a time these streams had traveled sufficiently far from their source in Niflheim, that the venom that flowed within them hardened and turned to ice. When this ice eventually settled, rain rose up from it, and froze into rime. This ice then began to layer itself over the primordial void, Ginnungagap. This made the northern portion of Ginungagap thick with ice, and storms begin to form within.
After a time these streams had traveled sufficiently far from their source in Niflheim, that the venom that flowed within them hardened and turned to ice. When this ice eventually settled, rain rose up from it, and froze into rime. This ice then began to layer itself over the primordial void, Ginnungagap. This made the northern portion of Ginungagap thick with ice, and storms begin to form within.