Zbrush Sculpt rendered in Maya with Redshift.
For Halloween here is a coupon code for 10% off my brush packs : HALLOWEEN10
I'm also selling some of the brushes I used here:
Dragon Scale Brush pack 1
Scars Brush Packs 1 - 4
I use the scar brushes a lot as general organic detail brushes they can really be used for anything you want.
All four scar brush packs are available as a bundle here:
Standard Licence https://www.artstation.com/a/9485403
Commercial Licence https://www.artstation.com/a/9485453