Is there a third C# course after C# Intermediate?

Question

Im currently in Intro to C# course with Sololearn.

Answer 1

I recommend Bro Code on YouTube. He has helped me through other languages, and he also has a (free) course for C#.

Answer 2

No, only Introduction and Intermediate

Answer 3

Thank you, Lisa. Any suggestions for a reputable online source where advanced C# can be learned?