Monks of the Way of the Staff master techniques with the staff becoming one with this weapon of choice, in both combat and defense. 

One with the staff

Your attacks with the staff count as unarmed strikes in regards to any Monk Abilities.
In addition with any successful hit with your staff, that does damage, you may spend a ki point to inflict one of the following effects: 

• The target must succeed at a Dex save or be knocked prone. 
• It must make a Str save or be pushed back up to 10 feet. 
• It must make a Con save or is stunned and can't take any actions until it's next turn. 
• The target must contest a disarm attack or have their weapon knocked from their hands. 

Spinning Staff Defense

As a bonus action, you can spend a ki point to spin the staff around your body, to create a deflection barrier around your body, creating a +3 deflection bonus to your AC until your next turn. 

Whirlwind Attack

You can attack all enemies within 5 feet of you with a whirlwind attack, making a separate attack against each. 

Opportunistic Strike

You can use your reaction to make an attack with your staff in any of the following circumstances. If you are struck by and dealt damage by an enemy within 5 feet. If an enemy creature within 5 feet is struck by someone else. If an enemy within 5 feet attacks an ally. If an enemy within 5 feet casts a spell or makes a ranged attack.