This is a study of the effectiveness of not the individual but a group of individuals. This is an Open Ended Plot which will not be fleshed out by a single person but by who ever chooses to add content.
Swimming with the Great Western Tide that sweeps towards Tarrod from the far west of the Ocean, the mighty and enigmatic Uuluun sing songs that speak of the unfathomable gods of the deep, and wrestle each other in seabed-shaking contests of strength and martial skill.
What if some crazy wizard created an artifact that empowered rodents that touched it with one random supernatural power? Preferly right out of the pages of your favorite four-color. (But only one power!) This item does not convey any sort of intelligence boost.