User blog comment:C4bal/Corki in the Tank Meta. How to./@comment-24036535-20150614163022/@comment-4091261-20150619044913

I guess the health difference isn't that large. I would still say that an extra still maintain usefulness since a flank is generally limited by the spread of the enemies. I honestly think the main kink to this build is the 30% cdr. It gives similar effects while giving such a heavy amount of cdr. A potential second valkyrie is pretty hardcore for escaping in practice. Really hardcore. Stupefyingly hardcore.

I'd say from my experience, that the main purpose in the dives is to give more kiting utility to allow for for a better trade. Aside from that, the armor really is only noticeable in the laning stage of the game, when the enemy carry has easy access to. Normally I don't go this build and go / since it applies in more situations; but when I find diving to be a serious issue, I find that this does solve that issue while not sacrificing as much as expected through cdr, allowing for safer poking and kiting.