Pluto/Jackfrost Debuff/damage

Max dark or frost dust (pick one) for melee damage buff

Max befriend pluto and jack frost for more damage/success changes

Max Fly Swatter for summons/debuff

Max Mega Drill good chip damage

Max fire Furnace for AOE

Max acid rain or just get lvl 5 (if you want fire furnace just get 5)

You have extra sp for fusion craft, lolipop, magic missle etc.