I have beat the snot out of my carbon 18, it's been wet/damp on many outings and occasions. The only thing I have done to retard corrosion is give the blade a soak in vinegar for a patina. I have had no rust issues whatsoever. I even used it extensively in Maine (house was on the beach) with zero adverse effects. I must have a special knife. A little bit of rust in the form or small spots does not hinder performance, looks yes, but not performance unless you let your edge rust to dull. In my experience it takes a lot to get to that point. Total neglect for an extended period. Even then you can bring it back pretty fast with the carbon steel with no special sharpening tools. I have used river rock before.
The performance of RMK's forged 01 Steel is nothing short of amazing. In my opinion of course.