C is also called the mother of all languages since there were so many other languages developed in C.
While C is simple, it is one of the strongest languages ever produced. It was developed more than 40 years ago, it remains widely used and is often the most common and widely-used programming language in the world in the top 5 or 10.
Learning C will potentially enhance your programming skills irrespective of your specific domain.
You will become a more effective programmer by studying how things work "under the hood" and by knowing memory space, CPU architecture, etc.
If you want to become a better developer, learning C is a great way to start!