Ancient Dragon breath weapon used upon magical steel - used to forge up to +5 metal equipment.
Weapons automatically gain the "frost brand" characteristic - First 10 fire damage per round absorbed. It can extinguish all non-magical fires in a 20' radius. Can be used to extinguish lasting fires (1d20 +14) chance to dispel it (DC 11 + spell caster level of fire spell).
Armor automatically gains - First 10 fire damage per round absorbed.