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it depends.
if you like to solo you should do storm or death. (death can heal you and attack, storm hits well)
if you do it in groups you should do life. (you can heal others)
on my ice character, i chose fire. i did both soloing and groups, and fire worked well for me.

AlecVolterra wrote:

Life to satyr, death to feint, and then balance to weakness or fire or storm to shields.

I like this, though you may want to find healing items (items with healing cards) if you want to spend crowns and save training points.