So... Where's the Math we were promised in the title?

The doran's is just kind of in there in case you get sent back to lane early and you don't really have any gold to buy anything else. 9 games out of 10 I end up just getting chalice and no doran's at all. I guess I could just remove the doran's out of the cheat sheet.
Disagree with your opinion about the glyphs though. I think the MR glyphs compliment her strengths in lane well. There is no such thing as MR overkill especially when it comes to AP glyphs over MR glyphs.
I would never complete a big item like Athene's without first finishing my sorc shoes. Your damage will suffer so much from getting sorcs so late, not to mention your mobility. I agree about getting it as first big item though, that's just something I hadn't updated in a while yet.
Agree about lich bane being poopy, dunno why I still had that in there lol

I disagree with a few aspects of the guide, namely the build.

I think that if you're going early chalice, which you should build before the dorans ring, you shouldn't be going magic resist in your glyphs. Go scaling ap instead. You don't need that much MR for a lot of matchups anyways. MR runes, chalice, AND protect = MR overkill.

I always rush athene's, literally 1st item, before sorc shoes. Too good on her not to rush. Also, lich bane is poopy. Replace it with guardian angel and build it before zhonya's.

I really like that guide, and it has helped me out numerous times!

+1

But, why do you choose Abyssal Mask? I know it offers good Stats on any mage, but with the recent nerf to its aura range, you'd be rarely in range for the aura to shred their mr.

you had an orianna guide.. dafuq

I know how strong your orianna is even tho I did not face it myself yet oO
prob cuz some random turds always call mid in inhouses and it's not really my main role.

You better come over to EUW more often or my Warwick will hunt you on NA haha:D

+ 1
+ scout

completely indepth and super pretty - gj gmd

LOL, in the match history, the post-game. I was trying to get Nocturne's name, but it didn't work, so I was like,"Somebody already got that name!" Found him/her.

Nice build again!!

+ 1!

Nice looking guide. I boosted from 79% to 80% cuz 79 is an ugly number :D

meh I agree they're sub-optimal for laning, but in certain situations I do firmly believe they can be used. For example on a champion who favors movement speed quints, getting avarice quints would probably not be viable. In Orianna's case, you sacrifice 15 AP which really isn't that big of a deal considering Orianna's high base damages.
If you're in a lane where you have absolutely no kill potential, why not give up the little bit of AP you won't really be needing in the early game anyway? As for the glyphs, the mana regen you'd normally need is pretty much in the early philosopher's stone anyway and combined with an Athene's Unholy Grail you hardly notice the runes are missing.

I highly disagree with your summary of gp10 orianna. You do NOT go avarice runes. They are horribly sub-optimal for laning. I recommend you read my guide on gp10 mid.

Finally an Orianna guide that actually mentions her interactions with good initiators (I'd say I also love Wukong's ulti with hers) as well as lane oppositions. Also fond of the skill max capabilities, I usually just go to Dissonance for harder poke and because it allows me to hardpush the lane if I need to.

I suppose it's pointless to avoid the points in Havoc by either placing them on Mental Force or Butcher ?

Anyway, great job and hopefully people will give this guide the attention it deserves. Also, MOAR MATCHUPS

hope you show my diana guide