A smog sac within Koffreon's body regularly generates noxious gas that clings to its body. Touching the smog unprotected will lead to minor chemical burns on the skin.
Koffreon's fluffy fur releases heat into the air so that its body does not get excessively hot. Getting up close to a Koffreon will give you a chance to observe, through its thin skin, the toxic gases swirling inside.
