Thread: Help on improving team for advance content

What debuffs are you running? I only see one source of DEF down. If you don't have any other sources of ATK and DEF down, that'll be why you're struggling. You should probably run Joan with Sniper Shot, unless you're packing other Dark kamihime that can offer the missing skills you need. Unfortunately, that EX slot is probably going to be needed for Black Propaganda and situational skills on a regular basis. D'art is another option, which will at least give you full-time access to Sniper Shot.

I assume all those SR weapons are Assault skill? Maxing the assault skill on all your weapons will marginally increase your damage. But mostly, your issue is probably that you're lacking debuffs. Also, running Echidna is likely mildly hurting you as well, unless you got her to at least LB1.