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Dec 18

This is an update to this post, taking into account some factors I’d forgotten.

For people who don’t want to follow the math, here’s the conclusion up-front: Given items of equal quality, gearing for Intellect is better than gearing for mp5.

Read on to find out why!

Introduced in patch 3.0.2, there are a number of new/revised sources of mana regen that are based on your total mana, and therefore scale directly with Intellect:

Divine Plea
This is the new paladin spell at level 71; it restores 25% of your total mana over 15 seconds with a 1 minute cooldown (and a debuff to healing done).

Replenishment
This is the new raid regen buff granted by Shadow Priests, Retribution Paladins and Survival Hunters. It “causes up to 10 party or raid members to gain 0.25% of their maximum mana per second” whenever the priest, paladin or hunter uses a particular ability.

In addition, if you happen to raid regularly with a resto shaman, the Mana Tide Totem restores 24% of total mana over 12 seconds.

Doing the Math
To see how these balance out against mp5-based regen, let’s look at the value of 500 Intellect. (Note that I won’t be assuming the presence of Blessing of Kings, as you may not have access to it – and with current gearing levels it’s inferior to Blessing of Wisdom for regen anyway.)

500 Intellect on gear becomes 575 Intellect in play, thanks to Divine Intellect. 575 Int is worth 8625 mana. Assuming regen abilities are used on cooldown, on 8625 mana:

  • Divine Plea can return 2156 mana per minute, equivalent to about 180 mp5.
  • Replenishment can return up to 21.56 mana per second, equivalent to 107 mp5. This is dependent on uptime; 100% uptime is fairly unlikely.
  • Mana Tide Totem can restore 2070 mana every 5 minutes, equivalent to 34 mp5.

500 Intellect therefore gives anywhere from 180-321 mp5, depending on your group composition and the uptime of their regen abilities.

However, looking at the item value of Intellect vs mp5, 500 intellect costs you the same itemisation budget as 200 mp5, which is only 20 mp5 more than the mana return of Divine Plea alone.

Illumination and Crits
That increased intellect has another effect: it increases your crit chance, which increases your mana return from casting spells. This is a lot harder to model, because the mana returns from crit rating are very variable, depending on your spell choice and casting frequency. However, doing some rough napkin math:

500 Int on gear becomes 575 Int in play for a holy paladin; 575 Int equals about 3.45% spell crit, according to this Elitist Jerks post.

Using a very rough casting model (which assumes that you’re using about 60% Flashes of Light, 20% Holy Lights and 20% Holy Shocks; that you’re keeping up Sacred Shield on one target, Beacon of Light, and Judging once a minute for Seals of the Pure; and that your Haste compensates for time lost to positioning), 1% crit chance restores about the same amount of mana, over time, as 10 mp5. This assumes near-constant casting, which is typical of a paladin healer; however, even if you’re spending up to 40% of your time not casting, 3.45% spell crit still provides as much mana return as 20 mp5.

The Bottom Line

Assuming you use Divine Plea on every cooldown, and that you spend at least 60% of each fight casting, gearing for Intellect gives you as much mana return as gearing for mp5. In addition, gearing for intellect gives you extra mana return from Mana Tide Totems and Replenishment if you have access to them (up to 78% extra mana return, in fact). And, finally, gearing for intellect increases your healing output as well, by increasing your spellpower (via Holy Guidance) and your crit rate.

The Caveat

Don’t eschew mp5 completely.

Yes, gearing for intellect is better than gearing for mp5, assuming items of equal quality. However, you’re often not choosing between items of completely equal quality, and you shouldn’t disdain mp5 to the point where you’re discarding otherwise-excellent items just because they have mp5 on them. Mp5 is not a dirty word – it still does the same job it always did, it’s just that now Intellect does it better.

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8 Comments

Comment by Athryn

Made Thursday, 18 of December , 2008 at 5:28 pm

I’ve basically been just picking up the normal gear I would be picking up, and socketing int gems into the sockets above all else. Seems to work out pretty well, my Divine Plea is giving back about 1200 a tick!

Comment by Dradis

Made Thursday, 18 of December , 2008 at 7:20 pm

My shaman buddy had me thinking about this before. He has been gearing for int where he can get it, and he doesn’t have a lot mana issues at this point. Good article!

Comment by Jeffo

Made Friday, 19 of December , 2008 at 12:16 am

Maybe I’m missing something in the gear world, but I haven’t really come across gear that makes me choose between Int and mp5. Int is what I think of as a ‘white’ stat that is on pretty much anything I pick up and use, whereas mp5 is a ‘green’ stat, along with SP, Crit, and Haste. So it’s not usually a choice of mp5 vs. Int, it’s usually a choice of mp5 vs. Crit/SP/Haste. Gems and enchants seems to be where you make the choice between Int and mp5.

I do agree with you though — Int in general is the way to go. I find it funny, however, that BeImba gives me guff for enchanting my braces with Int over mp5, even though I’m still cruising along at over 100mp5 unbuffed!

Comment by Raimo

Made Friday, 19 of December , 2008 at 9:56 am

One thing I’ve noticed so far–besides the fact that I have yet to go oom–is that, as a single target healer, I am generally standing oppopsite the tank, is that I am within a boss’ hit box. I turn on Seal of Wisdom and can more or less use Holy Lite the enitre fight without going less than, say 50%.
This is definitely true for Maexxna, Saph, and few others. A few hammer swings with my haste trinket activated and divine plea on, and I’m at 100% mana again.
This is why I’m stepping away from gemming for mp5 at all.
I’m not going to say that won’t change, but right now, I’m more concerned about huge heals than I am about mana use.

Comment by Hagu

Made Friday, 19 of December , 2008 at 4:29 pm

I am convinced and will try to gem and enchant for int. However, when trying to evaluate old/new gear – is this an upgrade – are there any rules of thumb? E.g., back in the good old days, I read and used the 1 +MP5 == 2 +spell crit == 4.5 +heal. So I could decide that +10 heal was better than +2 MP5 but not +3MP5.

Any chance someone has come out with some approximation like that for this new world?

Comment by Siha

Made Saturday, 20 of December , 2008 at 2:21 am

@Hagu – Well, IMO that kind of weighting really depends on how you heal, and what you do. What I’d recommend is going to http://www.maxdps.com/paladin/holy.php and inputting your gear values, talent spec, and so on. Then you can adjust the sliders based on FoL:HL ratio and whether you’re more worried about efficiency or throughput.

Comment by Tyriana

Made Tuesday, 24 of February , 2009 at 6:59 am

Ive geared purly for Stam/Int/SP/Crit/Haste. Very little on my gear is there Mp5 found. And thus far i have yet to go OOM, spamming HL or FoL.
My HL’s are criting for about 19k with Avenging Wrath up. While my FoL are critting for about 7k.

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Made Saturday, 20 of June , 2009 at 10:53 pm

[...] is the new black, as far as holy paladins are concerned. I’ve written about this before in detail, but to reiterate: all the important sources of mana regeneration are either based directly off the [...]

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