Spoiler:
Nu, gung'f n tbbq cbvag. Gung jbhyq yrnir zl nygreangr bcgvba gung Flyne ercynprq Anguna qhevat gur pbhefr bs gur rcvfbqr.

I've found that you can't have two spoiler tags in the same post for some reason. It replaces the text of the second one with the text of the first.