"Ice is structured, latticed, light as a feather, massive as a glacier. In ice, there is power."
Xiumin's power is frost. He is able to manipulate cold and ice.
Xiumin can create and manipulate ice. He can froze water into a solid state, which will appears naturally in forms of snow, slush, hail, icicles and ice spikes.
Xiumin can reduce the kinetic energy of atoms and thus making things colder. He is also able to turn things that he touch into ice.