Ask any professional how they became good at their martial arts skills and they will tell you practice. Ask them what they practiced and you will most likely hear the fundamentals or the basics.
I once interviewed 13 great martial artists. The thing that struck me was that every one of them talked about how their earliest instructor was a traditionalist and had them study the basics. In other words, what made them great was the fact that they spent time on the fundamentals.
Now the sad part of this was that half of them were not teaching the knowledge they claimed made them good. They were into the flash and the short cuts. While this is fine for them, its not fine for their students. Remember a shortcut is only part of a motion, but most motions are made up of many parts which can lead to shortcuts. Shortcuts lead nowhere. When a master takes a shortcut they look good, but when a student learns only shortcuts they look poorly trained.
Practice your fundamentals and I promise you the fun stuff will be better, faster and functional. Fundamentals are stances and forms. If you are taught quality forms, then they are worth it. If the forms are just...