Fans frequently underlined the need to “expand” the universe, to show scenes producers have not included in official productions, to change something according to their likings, to “be a part of” the universe, to have fun, to intensify the reception and pleasures stemming from it, to improve writing techniques, to build up prestige in fan community, to interest others (non-fans) with the universe they like, to express their worldview or emotions, to show the world their talents, to fulfill their needs of creativity.