Create any scene in Blender | Tutorial 

Hope it helped, ill read your comments!
/ miner_design
Timestamps:
00:37 | Download free materials and models
01:12 | Node Wrangler addon
01:30 | Import materials and config
04:20 | Import models
05:50 | Mix two materials
10:07 | Basic sculpting
12:50 | Duplicate object in instances
15:07 | Volume and Lighting
17:49 | Last details
LINKS:
quixel.com/megascans/free (materials and assets)
www.blendswap.com/blend/20195 (Brushes for sculpting)