Use without credit if you want, I just made this for fun. If you use it I ask that you please don't spam with it as shown here, this was purely for educational purposes. For the custom block - The first input is the x position of the slash, the second input is the y, the third input is the direction, and the fourth and final one is how long the warning line flashes before the slash is executed.
"All attacks have been tested and it's completely no-hittable"