Freezing is the ability to reduce the temperature of matter, causing it to freeze.

Description:	Lower the temperature of matter
Classification:	Elemental
Characters With:	Tracy Strauss, Sylar

Freezing

The range of this ability appears to be quite short. Sylar did not have to have physical contact with the roadway in order to freeze it—he merely pointed his hand at the asphalt—but he did have to open the door and lean down from the vehicle.

While the range is short, the total volume of space affected can be quite large. In 'Cold Snap,' Tracy was able to freeze an entire parking garage; while the effect was centered on her body, it expanded slowly (Micah was able to outrun it) to encompass thousands of cubic meters.

Sylar

In Disney World or Bust, Sylar was able to reslushify Elle's slusho after it had melted in the desert heat. During a fight the pair had against Ripper, he was able to incase the man's lower leg in ice until it broke off.

Tracy Strauss

Tracy was able to completely freeze an adult human in seconds, causing his body to shatter when he fell to the ground. She can similarly freeze flowers and leather straps to the point that they become brittle and shatter under their own weight or with little to no effort on her part. In Dying of the Light, Tracy begins to demonstrate more control over her abilities: she is able to freeze the outside of a glass container without causing it to shatter; she also can induce extreme cold in human being without actually freezing him. Tracy does not appear to suffer any ill effects from being in contact with objects that she has frozen with her ability. Nathan noticed that when she freezes things, her hands don't even get cold.

After Tracy was shattered by Sylar (We're Watching You), her abilities seemed to change or evolve. After being shattered into a thousands of pieces of ice, Tracy retained consciousness. The ice seemed to melt, and Tracy soon thereafter formed back into her natural self (Ice Queen, Part 1). Since then, Tracy seems to be able to take the form of water and ice (Here They Come), being able to form back into herself at will, and to control herself while in those forms, capable of assuming different forms and shapes. It should be noted, however, that this is an unusual new aspect that Tracy has developed. It is unknown exactly how it is related to her original capacity to freeze things. Regardless, Tracy has demonstrated great control over this new aspect of her ability, though she occasionally loses control when stressed and upset, involuntarily turning into water (Acceptance) and freezing things without meaning to (Brother's Keeper). She has since learned to turn her clothes into liquid as well, as she solidified herself and wasn't naked.

Thick, insulated clothing provides protection against Tracy's ability. Danko believed she could only channel her ability through her hands, as he blocked her by placing heavily insulated gloves on them (A Clear and Present Danger), although she was able to eventually shatter the gloves (Building 26). She has since honed her ability to the point she can cause the pinpoint freezing of objects (Here They Come) and create simple ice constructs, such as the spikes with which she killed agents (Here They Come). She also froze Claire Bennet after Claire touched her arm, and the freezing continued after she removed her hand. Tracy's ability can be suppressed or countered by keeping her exposed to intense heat (Building 26).

Should she be attacked, Tracy's body can change into water to prevent damage by knives and bullets. In her liquid form, Tracy can quickly travel by depositing herself in a body of water, and then moving through it. (Prodigals, Part 1).

Using her ability to produce water from her hands, Tracy seems to be able to propel herself high in the air. She can also exert some influence over water sources outside her body, as she causes a geyser to erupt during a battle against Eli's clones (Prodigals, Part 3)