I have a story that I am working on alongside another author on the site and we have plans down the road for a climactic battle between Luna and a powerful opponent, but that is at least five chapters away and our pace of writing has slowed since the initial frenzied 'this is an awesome idea' stage.

Must we wait for this chapter to be written and published before adding the story here, or would we be allowed to skate by on the promise that there will be at least one huge fight between Luna and her adversary later on?

Please advise.

I say put it on before finishing, then if there are any mistakes that people notice they can tell you and you can work to fix it.