You reach out a begin corroding metal object within range. This can be a weapon or suit of armor that is being worn or carried. If you choose a suit of armor (magical or not) it recieves a -1 to its AC for the duration. If you choose a weapon (magical or not) it receives a -1 to attack and damage rolls. If you cast this spell again you can target the same piece of equipment and stack the penalty and reseting your time concentrating. If a piece of non-magical equipment recieves a cumulative -5 penalty, the piece of equipment is destroyed. When you lose concentration of this spell, all penalties from this spell are lost.