Torpor Cost

[Silentgrass]

I've been playing a shaman with my brother for a few days now, he is a monk, but the cost of Torpor has been nagging me. If it's true that it's game changing in the end game should this factor into a decision to maybe reroll a different class? Are their any ways around the crazy cost? Would we be able to farm it as a duo or is it more practical to try and save up the plat? We're both starting from basically nothing. It's kind of swaying me to maybe play an enchanter or something else.