That, or Beren and Luthien, or the fall of Gondolin, which are the most fleshed-out episodes, as far as I remember. The exile of the Noldor could be interestin

That, or Beren and Luthien, or the fall of Gondolin, which are the most fleshed-out episodes, as far as I remember. The exile of the Noldor could be interesting, but iirc, it's really in the form of a Germanic saga, so it would really need a lot of filling out of details and characterization.