<P> Since the introduction of the Terrigen Mists, the inhabitants of the Marvel Comics universe have believed that Terrigen Mists were toxic for regular Homo sapiens . </P> <P> When the depowered mutant Quicksilver subjected himself to the Mist, he gained the ability to travel through time as an acute enhancement to his former super-speed . Luna, Quicksilver's half - human half - Inhuman daughter, gains psychic abilities from the Mists allowing her to see emotional auras emanating from individuals . </P> <P> It is also shown in this series that depowered mutants, if exposed to the Terrigen Mists, gain an uncontrollable version of their former powers . For example, the Mists restore the hyperacute senses of Callisto, but all the amplified stimuli cause her to fall into a coma . However, the effect is only temporary as powers fade after a short while . At the end of the Son of M series, the U.S. government confiscates the Terrigen Crystals dropped by Quicksilver, which leads Black Bolt to declare war on the United States as seen in the Silent War storyline . Other side effects of the Terrigen Mists being used on mutants include steriliziation and slowly killing them . </P> <P> Use on X-Cell depowered mutants provided moments of renewed powers but then caused them to explode . Use on U.S. Marines in the Silent War also proved that the mists, while providing temporary powers to humans who are certain in their purpose, also cause certain death . The Inhuman Gorgon was subjected to a second exposure while imprisoned, which increased his strength, but possibly lowered his intellect . </P>

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