If I might elaborate my fascination with this image...
First, heads don't belong on poles (Pikes, no problem...

. Even having been steeped in a grimdark broth for six volumes, this matter-of-fact statement really packs a punch. Especially as it's delivered in the second-person case. This draws the reader into the predicament.
Consider the peculiar space a reader of fantasy fiction occupies. He shares in the various POVs created by the author. He struggles to keep a grip on both the narrative and the structure of the fictional world. And then....WHAM! He is IN the story! There is a fucking HEAD on a fucking POLE! And it's right there BEHIND him!
I hope that resonates with other Bakker fans out there. IMHO, there are lots of similar moments that are equally gobsmacking. But this one really grabbed me.