the strat is so stupid and simple I've beat the the guy 3 times(not in a row)
turn 1: Kris act hold breath, Susie fight, ralsei defend
turn 2-999 Kris def for rude buster, Susie rude buster, ralsei fight
snowflake attack: dodge the snowflakes and when they slow down go near one and tp farm, if you did it right you should have enough after you def with Kris for rude buster and the rest is memory