Normal: You increase the temperature of a metal object significantly, possibly harming creatures in physical contact with it as it glows with red heat.

As long as the target wields this metal item, it takes 1d6 points of fire damage per two levels per turn (no save). If the weapon is used in combat, its weapon attacks deal the same amount of fire bonus damage.

Reverse: You decrease the temperature of a metal object significantly, possibly harming creatures in physical contact with it as it glows with blue chill.

As long as the target wields this metal item, it takes 1d6 points of cold damage per two levels per turn (no save). If the weapon is used in combat, its weapon attacks deal the same amount of cold bonus damage