The Legend Behind the Story

I had one of those "writing is haaaaard" days yesterday. Or maybe it's just that this particular idea entails special challenges. I realized that one of the reasons I've found myself struggling is that the story is undeveloped. Sometimes, I can wing it if the characters are developed and things just happen, but with this story, handwaving won't cut it. And so, to get any further with this, I had to create a legend. Part of the plot hinges on the main character having to find something mentioned