Made in Zbrushcore, Blender and Substance 3D Painter and having 11472 triangles and 4k textures, the process for creating this jack-o'-lantern model includes sculpting the high-poly version in zbrushcore, then retopologizing and UV unwrapping in Blender, after which it can be brought into Substance Painter for texturing and baking.
The model has been uploaded to sketchfab to allow for more detailed inspection or download.