people who know of princess Luna knew about nightmare moon now how do we know that she was bad yes we have seen it but maybe someone made people think it maybe she had seen what her sister was doing to there pony's and tried to stop her and celestia did not want her plans to fail so she had to sand Luna away then made up a story of nightmare moon was bad but maybe she was just trying to help the pony's and when she came back she tried to tell the pony's but they where to sacred of her because of the story celestia had told them so next time you think that nightmare moon is bed read this and think