Natural Erosion (Arcana) [Water]
Level: Druid 4
Reflex partial. Mana: 7. Base Success: 95%.
  This spell calls down the natural force of time to smite those who depend too much on artificial equipment. Every exposed item carried by everyone hit by this beam suffers 4d10 points of rusting damage, 4d10 points of soaking damage, and 4d10 points of organic decay.