Firestorm Prestige Series

By providing thrust behind him with his own flame, the Torch is able to fly in excess of the speed of sound. The plasma field immediately surrounding his body is sufficiently hot to vaporize projectiles that approach him, including but not limited to bullets. He does not generally extend this flame-aura beyond a few inches from his skin, so as not to ignite objects (or persons) in proximity to him. The Human Torch refers to his maximum flame output as his "Nova Flame," which is released omni-directionally and can reach 1,000,000 degrees Fahrenheit. Flame of any temperature lower than this cannot burn or harm the Torch. This "Nova" effect can occur spontaneously when he absorbs an excessive amount of heat into his body, although he can momentarily suppress the release when necessary with considerable effort. The Human Torch can also direct beams of "Nova Heat" as an offensive weapon for very brief periods of time before his energy reserves give out. Once, when his power was briefly increased by his nephew Franklin Richards, the Torch's Nova Flame "rivaled the heat of a main sequence star."

Johnny has been shown to have a high degree of control over his powers. This control is likely due to the extreme amount of discipline Johnny practices. When his sister, Susan Storm, switched powers with him she was almost incapable of controlling her new powers, constantly spilling out ambient heat and often setting nearby objects aflame without realizing it. Comparatively, Johnny has demonstrated enough control that he can hold a person while in his flame form without his passenger feeling the slightest bit of heat. His knowledge extends to general information about fire as well, supported by regular visits to fire safety lectures at various firehouses in New York.

The Torch's ability to ignite himself is limited by the quantity of oxygen in his environment, and his personal flame has been extinguished by sufficient quantities of water, flame retardant foam, and vacuum environments. He can re-ignite instantly once oxygen is returned, with no ill effects. Based on the distinct speech bubbles that accompany the Human Torch whenever he is aflame, his voice apparently changes whenever he is using his powers.

Johnny also briefly had his powers switched with his sister The Invisible Woman, and thus became the Invisible Man. During this time Galactus took Johnny and made him his herald, augmenting his invisible powers with the Power Cosmic. As a Herald of Galactus, Johnny had all of The Invisible Woman's powers augmented to a cosmic degree, as well as being able to see past all concealments and illusions into the primal truths. This power allowed Johnny to see Galactus as he really is. Johnny exhausted the Power Cosmic from his body when he used it to power a device designed to separate the cosmic Galactus energy from Galan (Galactus' humanoid origin). Recently Johnny was re-powered with the Power Cosmic, during a battle with the Silver Surfer, and jokingly dubbed himself the Cosmic Torch. It is yet to be seen if he will retain the Power Cosmic, although at the end of the issue he still appeared to be cosmically powered.

Very early in his career (i.e., Fantastic Four issues #1 and 2) the Torch was depicted as transmuting his body itself into living flame; in all subsequent appearances his power consists in the generation of a flaming aura.

The Human Torch was trained in hand-to-hand combat by the Thing, and is highly skilled in the use of his superhuman powers in combat. Johnny is also a highly skilled race-car driver and an expert auto mechanic and designer.

(Wiki)

Human torches power source "oxygen" is his ultimate weakness. As illustrated by The 2 FF movie When Silver Surfer [link] to H.T into space.