Hope you're all doing well. Here is an in-depth Blender 3D tutorial in which you will learn the concept of how to approach, plan and create procedural rock cliffs in Blender 3.1.
For this tutorial we will be using non-destructive modeling methods then using Blender's shader editor to create some procedural awesomness for our cliff. This tutorial uses the Blender's Cycles render engine. No 3D sculpting required!
Hope this helps!