@MeskenasBoii thanks.
I was thinking for like 5 minutes, and came up with an alternative.
Cleanse would be a water bending move in the blood bending sub-element. Since water benders can use this move, they can use water bending to freeze opponents in an attempt to land Cleanse using Torrent, Surge, WaterArms Spear, etc...
To do Cleanse, you need to punch them in the back. When you do this, it will teleport you closer behind them so that you aren't doing Cleanse 5 blocks away. Neither of you will be able to move, and to cancel Cleanse, you tap Shift.
There will be a meter below both people's screens, and for the person being Cleansed to break free, they need to right-click 10 times. For the person Cleansing, they need to right-click 7 times. The person who fills up the bar first, either successfully Cleanses or successfully breaks free. If they break free from the Cleanse grab, Cleanse goes on a 12 second cool-down.
If the person is successfully Cleansed, they go into the sleeping/laying animation for 3 seconds, have
nausea 3 and
slowness 2 for 5 seconds when they get back up, and can't bend for 25 seconds.