Defeating Alpha Splinter/ Dark Splinter
In the beginning you will have to fight an Alpha Splinter. To defeat it, shoot at it. The attacks it will use against you is ranged (press b to get out of the way) or it will jump at you (press b to get out of the way. Near the middle of the battle, it will turn into a Dark Splinter. Its almost just like fighting small splinters except you have to shoot Alpha Splinter more.