Heather is able to bring about the opposite effect in any ability. For example, if someone used cryokinesis, she could reverse the ability so that it would be pyrokinesis instead. She can choose which abilities are reversed and can affect more than one at a time. When an ability or a set of abilities are reversed, the person who possesses them can often find them difficult to control at first, as it will be a new ability. However, it is unknown what effect she could have, if any, on abilities which do not seem to have an obvious opposite. It may simply negate that ability. It is also unclear what effect her ability would have if she used it upon an ability which can have two opposing effects, such as temperature manipulation, but it may be that the ability would then produce the opposite e