Your wrong on the crafting costing prowess to raise... Only the Mastery costs prowess with crafting, a 1 time cost of 10k prowess. You raise that by actually crafting things in that skill. This should not effect the majority in KGB as we intend to have crafting accounts set up do do all of the crafting skills for everyone. So their prowess can be spent on their toons stats and pvp skills.

as for the group killing. Read the patch notes. It says that the person giving the killing blow gets 50%prowess off the kill and the remaining group members with in 50 meters of the kill will get the remaining 50% distributed evenly among them.

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