In this video guide I will show you how to hit a single enemy with all lightsaber types. In order for you to do this you will
need the double bladed lightsaber and the split saber unlocked. The
double can be located on Dathomir once you can travel to other planets. There is pretty only one path you can take on the first go, so once you explore the last area there will be a workbench right next to a short cut door leading you back to the ship. For the
split saber this will be story related, so don't need to worry too much on this one.
Now the best way to go about this, is to
do it on a main boss, or a mini boss. Since they have health bars it will give you the chance to give it a few tries if you mess up. So what you will need to do is hit the boss with single, then double blade, and then split saber. Once you land all three on the same enemy, the achievement will pop.