The wording on the proc is a bit confusing but that is a group power proc. When you trigger the proc it puts a buff on each member of the group. Each member then has their own temp buff with 2 triggers for power. You guys might not have power issues but it will definitely help out your groupmates im sure which is a major role of the illusionist.
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(Aeralik) Re:Illusionst Epic POST your Impressions on what they gave us
