I did receive quite some feedback in the forums and I was pointed to this image ((C) Games Workshop):
So this is the "official" Kheradruakh from the latest codex. Quite gloomy and dull (IMHO), and the pose is absolutely useless for a character sculpt. Also he has no longer the Splinter pistol. Most feedback was negative to the start of the head I have sculpted.
So I removed the pistol hand and the head, but kept the actual pose.
Next I gave him a new hand and a bundle of skulls, as well as the torn remnants of shirt.
On his left side dangles a torn IG arm.
The bundle of skulls still needs some work.
Then I worked a bit on the base.
The rock he's gonna jump across.
Apparently he's collecting skulls and other remnants of his prey.
I know he's a Mandrake, but I don't really like their faces without mouth. And from the official image, though quite shadowy, you can he he has more ape-like features and a big upper lip, like a Neanderthal.
To support the attacking pose I wanted to sculpt him with an open, snarling mouth.
Please bear in mind it is still Work in Progress, and he will also receive hair.