Alright thanks. Will make changes.

Your guide isnt attractive e.e No one would want to read your item section..

Thanks man. I'll take all of it into consideration and probably will end up editting it later on.

Alright guide, but the warmogs in my opinion is kinda useless, you would want to build rylai's instead. Also, you are going to want to link the items.

I disagree. Sheen to me is what differentiates between me one hitting ranged minions at level 4 or not. For me it's essential to get those last hits. Warmog is a late-game item. Very late game. If your in the game for 45 minutes or more then you being most likely the most cc on the team and you have an executioner makes you one of the largest targets. I strongly disagree with not getting Lich Bane. It is essential to take down very high hp ratio champions later on. Don't downrep it because you play it differently. I play it like this, it works for me, and unless you've tried it I don't quite understand why you would criticize.

I agree with Jaster. There are a lot of clumpy blocks. It makes the viewer not want to read it.
About the build-
I would not recommend getting Sheen that soon, Lux's mana problems can be solved other ways, and though it builds into Lich Bane, I find it smarter to build into a Rod of Ages. You don't really need to be using Sheen's damage proc for that long. Additionally, I would not recommend getting a Warmogs. Although Lux needs health, her Squishy problems can be solved with a Rod of Ages and a Rylai's, two items that benefit her much more than a Warmogs.
Zero♥

Alright thanks.

I voted -1 because of this reason!
You have lots of text and nothing is sorted out!
Couldn't you describe why you picked some masteries and runes, maybe split some sentences into few paragraphs?
Fix his and add some pictures...
Items are kinda' okay.