The finals round of the Vytal Festival! Mercury Black vs. Yang Xiao Long. AKA, the episode that broke the RWBY fandom. I do not own RWBY nor the music .brYang Xiao Long and Weiss Schnee vs Neon Katt and Flynt Coal in the doubles round of the Vytal Festival! I do not own RWBY nor the music in this video. It is all .brAs the Vytal Festival is coming towards its end, Penny Polendina and Pyrrha Nikos are set to fight in the finals round. Meanwhile Ruby has come across Mercury .