Originally Posted by
Ian
Well...That's not entirely accurate.
It depends on a lot of factors such as the relative EP weight of your other stats. For example, I have over 400 passive ArPen, and it still comes in under Agi. It is most often the case that you need enough ArPen gemmed, plus a Grim Toll or Mjolnir proc to hit ArPen cap to make gemming for ArPen worthwhile.
You can go evis-only at any state of gear, but whether or not it will come out as a DPS gain over a rupture cycle depends on a lot more than just having 300-400 ArPen.