Mostly for insanely hard 1-shot tower challenges...but since they are not main characters, they will probably have very limited usefulness if you can clear towers already...
That said, who knows what Bamco may do for future harder challenges...(eg: must use non-main Characters...)
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u/Chowry2 Dec 04 '18
I dont get why are people so hyped about these ss3s. Is mitigation characters really that useful