User blog comment:C4bal/Corki in the Tank Meta. How to./@comment-24036535-20150614163022/@comment-24036535-20150618211102

If a fight isn't linear, than neither the cooldown reductions on Valkyrie, nor the extra kiting power of IBG will make a difference, you have nowhere to go.

In the same case when multiple enemies are diving you, you won't live anyways, you're outnumbered, a little armor and health won't save you.