To be fair tho… making a mod is one thing. Making models and animations for that mod - quite another. It’s not something a person usually jumps into blindly with no foreknowledge or schooling. It can be done, sure, but you’re gunna have your work cut out for you.
As an example of some of the learning required here is Emrakul, maker of the Warhammer 40k mod, trying to figure out how to make it all come together - with Crate developer assistance: