The Joy of Spreadsheeting

spreadsheet

This is not gonna be a fun post for me because, well, I goofed. I made some seemingly innocuous changes to the spreadsheet a while ago that caused it to be less accurate than it normally is (which, for the record, has never been anywhere near 100%), and it’s taken me a while to figure out that there was a problem and then finally fix it.

The short answer is that the spreadsheet has been overvaluing crit since 7.1 was released. In this updated version, you’ll see stat weights that look way off. Specifically, crit is much lower and haste is much higher; this is due to several reasons. The first is the previously mentioned changes that caused crit to be inflated. Second, I had been manually reducing the weight of haste by 10% because of its adverse relationship with mana; I’m no longer doing that. Last, stat weights are going back to what appear to be much more reasonable values, but everyone has been under the impression that crit was so powerful, so they have gravitated toward gear with lots and lots of crit. This makes crit look weaker than you would expect simply by virtue of having so much of it and so little of everything else. By comparison, the other stats will be higher than expected until stat distribution evens out a little more.

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Legion Spreadsheet Math!

Everyone is super excited about spreadsheets, right? Right?! Well, if you aren’t, then maybe this post won’t be as interesting for you, but at least it will be exciting for the rest of you.

Holy Paladins were enabled on Alpha a few weeks ago, so there’s still a whole lot to discover and even more that could potentially change. I have a working spreadsheet that I’m fairly satisfied with, but I’m holding off on releasing it into the wild until we’ve had a chance to do some raid testing and I can see what realistic overhealing and casts-per-minute will look like for each ability.

These numbers are not necessarily indicative of which talents and abilities we’ll end up using in Legion, but they’re fun to look at in the meantime; just remember that this is all preliminary and more than likely will change before Legion.

Throughput versus Efficiency

One of the major changes in Legion is that there will no longer be spirit on items. We have a base regen that is four percent of our total mana every five seconds and we may be getting more mana regeneration through trinkets, but I think they’re still working on how trinkets are going to work for healers in Legion. This means that an ability’s healing-per-mana (HPM) is going to be more significant for longer than it has been in previous expansions.

In making the spreadsheet, I was surprised to see how incredibly efficient Judgment of Light is. At 28.14 HPM, it’s almost twice as efficient as the runner-up, Holy Prism, at 15.17.

Healing per mana

Nothing in this graph is too shocking. Holy Light is still our most efficient filler spell, but it is notable that Light of Dawn is more HPM than Holy Shock. This is also assuming we hit 5 people with Light of Dawn, something I haven’t been able to reliably test.

While our new ability, Light of the Martyr, is cheaper than even Holy Light (7.5% of base mana compared to Holy Light’s 10%), the effective healing of Light of the Martyr is very low due to the damage we inflict to ourselves in the process.

It’s interesting to note that when we take Stoicism as our Tier 75 talent, Light of the Martyr becomes more mana efficient than Holy Light, but we also lose our unbelievably economical Judgment of Light.

HPM Stoicism

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