not tanky enough

No problem, always glad to help. I'll check back in when you've added on to the guide, so I can upvote and stuff when I feel like I'd have no problems recommending it to someone else.

@ Unremarkable Thanks for the tip and I will be adding additional items that may be considered ex TFroce.

Alright, got a few things to say:

1)First off, it looks like an okay build. I personally think that the damage you have mid-to-late-game may not be enough, and it also seems like you have to get fed to do good, but taking that into consideration it looks like you can get those kills early to get fed.

2)Have you ever tried Trinity Force? It incorporates Phage, Zeal, and Sheen, the last of which can up your damage considerably with its passive ability. In my build, it is a core item, and once I get it my overall effectiveness increases drastically, because it boosts both offense and defense.

3)I've had experience with building Wukong more tanky; In fact, my original build on MobaFire tried to show that a 21/9/0 or a 21/0/9 mastery page wasn't the best way to build him. The problem I saw with that was, while I didn't die as often, I was getting next to no kills and had troubles farming efficiently. When I tried a 21 offensive mastery page, it worked so much better than the one I had, I completely changed my guide to be built around that style. Sure, I got scores like you have in your build, but if you take a closer look at the rest of the scores in the games and such, there's a few things you should note:
I've found that switching to 21 points in the offensive tree has given me more games with high KDAs, less of those due to feeders.

4)I don't think Atma's Impaler is giving you as much oomph as you want. With 3585 health, Atma's is only giving you 3585x.015, which equals around 54 attack damage. Even with the Youmuu's Ghostblade, you get only 84 attack damage overall, which is only 4 more than an Infinity Edge and about 2000 gold more expensive. And an Infinity Edge gives you better crits and crit chance than an Atma's. As for the armor, Wukong's passive should keep you alive in most if not all fights.

P.S.-I'm not saying Atma's Impaler isn't worth it, it's just not giving you enough damage on its own to justify building more purely tanky items elsewhere.

5)There seems to be too much MR and Armor for each individual MR and Armor point to be worth it. See DuffTime's OffTank Guide for more information on what I mean by this.

6)I'm liking the aesthetic appeal so far. Awesome pictures and formatting.

I'll vote when you reply. Pm me when you reply to my post or have changed a few things around and I'll check back to see what you wrote/what you changed.

Comment and Vote Please! Videos of strategy will be up soon.