Are you stuck on the summon?
My summon battle I had to focus the chameleon instead of the dogs. Def don't go on auto for that.
After that, I can't help you. I kind of brute forced my way through the pain battles.

Sure sure.
I used a standard water main blitz team.
Mei GNW1010 Mabui
WM X X
X X X
4, 4, 1, 1, 2
Lightning Tiger Summon
I think I went through it around 46k BP