2011-05-10, 10:38 PM
Void staff has 70AP, so the roa's got 53 AP over it in your scenario.
But with an enemy at 150 mres (-60% magical damage), a void staff knocks it down to 90mres (-47% magical damage). An overall benefit of x1.32 damage.
53 AP is only a x1.32 AP boost if you had around 160AP before hand. Any more than that and the 53 AP isnt as big of a damage boost (not to mention AP ratios of .7 or now down to .6)
If you're the only magic dps and (as such) the enemy team isn't building too much mres... then sure the RoA will net you a better benefit, but only marginally. But once you start causing the other team trouble, they'll build at least 1 mres item (such as banshees). And then you'll at least want some mpen over moar AP.
But with an enemy at 150 mres (-60% magical damage), a void staff knocks it down to 90mres (-47% magical damage). An overall benefit of x1.32 damage.
53 AP is only a x1.32 AP boost if you had around 160AP before hand. Any more than that and the 53 AP isnt as big of a damage boost (not to mention AP ratios of .7 or now down to .6)
If you're the only magic dps and (as such) the enemy team isn't building too much mres... then sure the RoA will net you a better benefit, but only marginally. But once you start causing the other team trouble, they'll build at least 1 mres item (such as banshees). And then you'll at least want some mpen over moar AP.