A Ground Crack effect was output by FBX format. using the PBR workflow. you can download it and replace the texture you like. Please let me know if you like it. I will keep to increase these model. Please feel free to give me suggestions.
FBX (Autodesk FBX, filesize: 46.2 MB), TEXTURES (Textures, filesize: 46.2 MB), PNG (PNG, filesize: 46.2 MB)