This PROTOFACTOR++ Unity SciFi & Fantasy Asset Bundle is AMAZING
The Fantasy and Sci Fi Essentials for Unity Bundle is an awesome collection of assets:
https://www.humblebundle.com/software/fantasy-and-sci-fi-essentials-for-unity-software?partner=gamefromscratch
This includes assets from creators including PROTOFACTOR, Nature Manufacture, 3D Forge, Infinity PBR and more. It contains 3d models, animations, environments, GUI assets and more with a SciFi and Fantasy theme.
Links
https://www.humblebundle.com/software/fantasy-and-sci-fi-essentials-for-unity-software?partner=gamefromscratch
https://gamefromscratch.com/fantasy-and-sci-fi-essentials-unity-humble-bundle/
*Exporting from Unity to Godot in Seconds:*
https://www.youtube.com/watch?v=N3oWEBRv9SE
https://gamefromscratch.com/move-from-unity-to-godot-engine-in-seconds/
*Exporting From Unity Guide:*
https://gamefromscratch.com/exporting-from-unity-to-other-game-engines/
The above links contain a code that pays GFS a small commission if used (and thanks so much if you do!)