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1. Don't write it. Seriously. Just don't. You are a million times better off working on your own original ideas, no matter how awful, then to attempt fanfiction. Even the thinnest expy of fanfiction is better (but not by much.) Fanfiction creates numerous false sensibilities about world-building, characterization, and plot; it creates false ego and confidence in the author. Fans of whatever you happen to be writing are