The strengths and weaknesses of a character come from matchups. If you aren't heading to tournaments, you'll find it difficult to convinve anyone of Leixia's relative strength.
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Age_of_Truth
Age_of_Truth
Good players are trying to prove the power of their own characters by beating other good players. Any cool tech you can find might help if no-one's seen it before, but it won't prove anything about Leixia until someone is blowing people up with her.