Managed to beat survival last night with potemkin. Maxed out attack, defense, and starting tension plus some misc stats. Used Berserk Mode, Soul of Zepp, and Vampire Form. Could kill almost every gold character in 1 or 2 combos (except gold ABA it took 6 how much freaking defense does she have?!)
I probably would've beat it on my first try if I didn't try the limit break on the first run. Man was I swearing at my TV when i started using it.....