The way of the void is a deadly technique.The user is able to create vacuums with his hand and manipulate the amount of oxygen in his palm. Not only does this style allow him to damage the Ears and Brain of the target or rip holes through solid concrete walls, but it is essentially lethal to any character that requires oxygen to breathe. The User can essentially knock anyone unconscious, or kill anyone by depriving them of the necessary oxygen level to maintain brain function. It is limited by the speed of the user, but if it lands defeat is certain.

This Fighting style also includes the Posion Hand and Snake Whip techniques. The Poison Hand is learned by poisoning your hand over a long period and gaining resistance to the posion while being able to fataly posion anything living you touch with the hand. The Snake Whip icludes fast arm movements that seem to hit like a whip and do slashing damage while also poisoning the target. 

Poison Palm

Starting when you choose this tradition at 3rd level, you You have trained one of your hands to be constantly poisonous. This was achived by putting the fists into a mix of soil and deadly poisons and herbs for a long time over multiple years. You have to waer a glove in order to touch living material/flesh. 

Whenever you hit a creature with one of the attacks granted by your Flurry of Blows, you can inflict 1d4 poison damage. 

You can also insteat choose to spend a KI-Point to grab your opponent with your poison hand to poison your opponent.  poisoned. (this does not count as grappling) 

Snake Whip

As a action you can attack lighting fast and move your arms whip like. Everyone within 10ft of you must make a DEX saving throw. (10+ your WIS modifier) or take 3d4 slashing damage and be posioned. on a safe they take hald damage and dont become poisoned. 

You can not use a bonus action the turn you use this attack. 

Vacuum Palm - Ear shattering Strike

Beginning at 11th level, you can, attack your opponent per long rest, you can spend 2 KI Points to make a melee attack against a target in range. on a hit they take 4d4 Damage and are stunned until the end of their next turn. 

Vacuum Palm - Zero Oxygen Room

Beginning at 17th level when you hit with an unarmed strike, you can spend 3 ki points to cover the targets mouth with your vaccuum palm and create a little vaccum with no oxygen in it. this stops the targets brain from receiving further oxygen and ended in suffocation. The target must make a CON saving throw. If it fails, it drops unconcious and is reduced to 0 HP. If it succeeds, it takes 10d10 necrotic damage.and is knocked prone.

You can only use this action once per long rest.