Sorry but- no one can really tell you. All the girls are unique and everyone will say "Tecna is the best" 或者 "Bloom is" and so on and so forth with 随意 reasons why.
No one can answer this truthfully due to that we all have opinions that not everyone agree's with.
i agree with lovebaltor because everyone have a different opinion an different likes,dislikes and personality so...everybody 搜索 from winxclub the person that is 更多 close to his believes..."-D