User blog comment:Neowitch/668 - Pet Axolotl/@comment-3119203-20120523162512/@comment-3119203-20120524001229

It makes them shiver (like when Shanks visited the Moby Dick and Jozu shivered), or nothing happens at all (Saobody Archipelago). We haven't really seen it being used in a real fight, so it's hard to say.