Build ur team with :
Ghostcat lvl >50 (use Act "Deal" in stage Good ghost) or Shadow
Caticorn lvl >45 (can heal)
Cat (?) lvl > 40
Or:
ROBOCAT (has 'Magic' like Caticorn) Level 50 (attk is 47)
Caticorn (has Magic) Level 61 attk 40
Wood (the swimmer) Level 55
Water (the swimmer) Level 55
Use Swim Twice in that thing so Water(the enemy one) loses health
