Heat and Cool Metals. The spell states that the metal/armor gets a save with the bonus equal to the save bonus of the holder.
is this the TOTAL save bonus or the base save bassed on class. what happens to a character with a high stat bonus to saves or with some other bonus to saves (like paladins)
Effectively the owner makes a saving throw. In D&D you ARE your stuff: inanimate objects you're holding are just as resistant as you.