Attempting to sell already pre-made free Blender models (which are in sets).
imgur.com
https://imgur.com/a/V8aBjzV,
Click to view →
assetstore.unity.com
https://assetstore.unity.com/packages/3d/environments/dungeons/polygon-dungeons-pack-102677,
https://assetstore.unity.com/packages/3d/environments/fantasy/polygon-adventure-pack-80585