A lot of rappers look up to great rappers, both dead and alive, for inspiration when it comes rapping. Although having your own technique would be a lot better as this could be the one tool you have that can make you rise above competition. Of course to create your own style you have to learn rap from the basics up to the advanced techniques. Once you have gained enough knowledge you can test your skills against other rappers by joining rap battles which have become quite famous.
During rap battles, rappers use freestyle to battle one another. If you are not familiar with this you can look for freestyle rap guide on the internet and see what you can use or how you can improve it. And once you feel that you are ready, you can go ahead and face anyone in a rap battle that can someday make you famous if it becomes and epic battle.