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7-29-2010 @ 4:26PM
I'm not an expert on shamans, but I think reducing the mana cost of your most common spells by 10% (Convection 2/3) would give you more than increasing your maximum mana by 10%.For an example: let's say you have 20k mana normally, and your Lightning Bolt costs 440 mana. That means you can cast 45.5 lightning bolts before running out (before considering mana regen). If you increase your max mana by 10%, you will be able to cast (22k/440=) 50 bolts before running out, and if you reduce cost by 10% you will be able to cast (20k/396=) 50.5 bolts. OK, in that particular case the difference is not quite enough to actually matter, but you can see how it would still be a larger number if the margins were different.Furthermore, let's say you bring out your Mana Spring Totem. Currently, MST returns enough mana to cast another Lightning Bolt in about 24 seconds (91 mp5, and a LB costs about 440 mana at level 80). With Ancestral Knowledge, you'd still get an extra bolt per 24 seconds, since it doesn't care about max mana. But with Convection, it would only be 22 seconds. The same goes if you use e.g. a Runic Mana Potion: it normally gives you (4300/440=) 9.8 bolts, but (4300/396=) 10.9 bolts with Convection.Now, there are some tradeoffs there. If you're casting spells that aren't affected by Convection, like a Healing Wave, or totems, Ancestral Knowledge starts catching up pretty fast, since AK helps no matter what you're casting. But I guess that's up to each shaman to figure out how much that matters.
7-29-2010 @ 5:36PM
As noted in the article, higher max mana increases the regen from thunderstorm. Both elemental and enhancement shamans have a hodgepodge of mana talents. I'm still hoping they clean things up with Cataclysm but it's looking less and less likely. Twenty-nine different ways to regain/save mana is not quality flavor for a DPS spec.
7-29-2010 @ 6:06PM
You're forgetting that increasing your mana pool increases the percentage based regen from Replenishment and Thunderstorm.So if I have 30,000 mana, a 10% increase on that gives me 33,000. Thunderstorm now returns 2640 mana rather than 2400, an increase of roughly 27 mp5.The other problem is that mana cost reductions multiply in the opposite method from haste.ie: a 1000 mana spell reduced by 10% costs 900. A 1000 mana spell reduced by 10% and then by clearcasting (40%) it costs 540 mana (1000/90/60) rather than the 600 from just clearcasting alone.Since clearcasting has a 70-80% uptime, it reduces the effectiveness of Convection somewhat.
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