hmm after google translated the site...
"Red EX can be a solo strategy if someone is well equipped, but Blue EX has become an extraordinary degree of difficulty that can easily be annihilated even at the discarded billing party hardened with high rare recovery shrine princess or spirit , The capture by solo is completely dependent on luck."
looks like Blue EX gonna be a hellish~
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i'm a bit confuse above... red for weapon, blue for eido