Gnarly. I don't have anything to add, really, other than that I actually thought this was 2D for a moment when scrolling down, due to the mentioned flat lighting and the rather strong and homogenous looking noise overlay.
Presentation-wise, I think currently the lighting doesn't help to sculpt the model's features. Perhaps start with a 3 point lighting setup. When choosing the background, I'd be careful with contrast and think about how it affects the character lighting. I think white background has too much contrast making the character look cut out, the other background merges too much with the creature. The logo contrasts hard against the image, drawing attention away from the model. It would be nice to have a more natural pose for the presentation.
Design-wise, other than some horns, I don’t see much bull-features. With an original design, I would extract defining features from references and think how to integrate those. Another way of course would be to later change the name to something that aligns more with the final result (idk, "horned undead beast")
Execution-wise, it reads a bit noisy and overly bumpy. With textures, I would make sure there's some variance in the details and they're distributed reasonably, based on surface type (bone/ horn structures more smooth, less bump). Perhaps the texturing covers some anatomical weaknesses and lack of definition of the base model. To get feedback on those aspects, it might help to share a clay render of the sculpt as well.
I agree with Noren. Atm it looks like a bean bag man. The lower jaw doesn't look like it is made for eating. The lumpy flesh doesnt really make sense. When doing characters its important to ground them in fact. You can use an app like Daz3D as reference to help guide your anatomy.
Maybe because the reflection "factor" of light on asphalt in in total greater than in some plant "array" because of the darker looking spots inbetween and the bending of every single plant part ?? If the final result does fit the reference then the initial darer color does fit this "experience top" ??
Ohh.. indeed.. just was (double) checking.. see some technical paper from the American Concrete Pavement Association and also the original term via Wikipedia: Albedo (from Latin albedo 'whiteness') is the fraction of sunlight that is diffusely reflected by a body. ..so the albedo-"color" is choosen darker ( if i'm not mistaken ) to match better the final result.