It's common sense really. When facing a monster that is fire based, if you use your ice based skills you will do more damage. They might even be immune to your fire skills.
We are toxic. Fire everyone. [ ]Smith, [X]Kubiak, [ ]Phillips, [X]Marciano, [ ]Schaub, [ ]Yates, [ ]Newton, [X]Ed Reed, [ ]McCain, [ ]Martin & [ ]Bullock. Clean house.