How do I make this code any better? (currently making a mod where you cast abilities using text messages)

1st launches entities away to where the player is looking
2nd sends entities a couple of blocks in the air

3rd gives entities slowness 255
4th is my attempt at a force choke (very bad)

https://imgur.com/a/xjSqtGJ

and if you have any suggestions on what powers I should make very badly, please send them below :D