To get this achievement, you have to basically cut an enemy while they are in mid air. There are 2 ways that you can do this. One way is by waiting for an enemy to jump at you. While they are in mid air, press and hold and jump in the air also. While in mid air, press and hold either or and wait until the light on the blade reaches the end. When it does, release or to perform a perfect slash and slice them in half. You need to collect all the momentos in the chapter “School Invasion” level to unlock this move. Another way is to use the “Get Lifted Combo”. Look in the combo section by pressing .