I know this reply is too late.

The answer is Yes!

Understand the fundamentals properly and clearly.

Do "perfect practice" with a lot of patience.

I am a self taught hobbyist artist and i am very comfortable in painting stuff like this now

[https://www.artstation.com/artwork/w6nx3Y]

[https://www.artstation.com/artwork/bK3lDm]

I know they are not great but i feel they are decent,

Once things start happening you will feel like you can achieve anything , but you will need a lot patience.