FusionDex

Kyufing throw balls of frozen sludge that slowly evaporate into toxic fumes. These fumes make their foes feel incredibly feverish and make them more susceptible to Ice-type attacks.

Getting up close to a Kyufing will give you a chance to observe, through its thin skin, the toxic gases swirling inside. It generates a powerful, freezing energy inside itself, but its body became frozen when the energy leaked out.