Originally Posted by Neron
Hi, long time reader, first time poster here...
Being Affliction-specced myself, i am using Agony, Corruption and Shadowbolt as Glyphs...
now reading this, I find myself wondering about the effectiveness of the Shadowbolt Glyph... anybody have an idea of how to calculate it's effectiveness in comparison to the alternatives?
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Get recount, find your damage spread. Figure out about how much of your mana usage, as a percent, is from shadowbolt (as a first order approximation, this won't be much different than the % of spells that are shadowbolt, but DoTs are a little more expensive on average). Take this percent, multiply by .1. This is the percent of lifetaps you will save, asymptotically. Saved lifetaps get converted to shadowbolts based on cast time, in theory. You can calculate a haste equivalence if you want.
There's a lot of numbercruching and there's some simplifying assumptions in there. For one, I'm discounting regen (I can't decide if that doesn't change anything or has a huge effect =P). But it's straightforward and gives a starting point.