Release: October 30th 2015 Details:

As of the version update, J04, which went online on October 30th, if you go for a single player match and lose 2 out of the 3 matches, you will then get challenged by another character. This character faces you with a special Shadow Mewtwo. This Mewtwo is different in colour and has various molten rocks coming out of its body. Before the battle begins, it Mega Evolves into a Shadow version of Mega Mewtwo X. It has 1,000 Hit Points