So I just completed the Corik's Wall quest and while fighting the vines I noticed some missing text on their special attack. When you actually block it, parry it or evade it, it shows as normal. If you don't, the following happens:

A wormwood vine winds forward rustling, flinging itself at you!
The vine's collides with your .
[You're nimbly balanced and in dominating position.]

It collided with my what exactly?