Topaz of Ki, ML20: Your passive Ki regeneration is increased by 1
Topaz of Ki, ML24: Your passive Ki regeneration is increased by 2
Topaz of Ki, ML28: Your passive Ki regeneration is increased by 3
Topaz of Enhanced-Ki, ML20: Increases the rate at which the user gains Ki with each successful attack by 1
Topaz of Enhanced-Ki, ML24: Increases the rate at which the user gains Ki with each successful attack by 2
Topaz of Enhanced-Ki, ML28: Increases the rate at which the user gains Ki with each successful attack by 3
Topaz of Critical-Ki, ML20: Generate additional Ki on critical hits by 1
Topaz of Critical-Ki, ML24: Generate additional Ki on critical hits by 2
Topaz of Critical-Ki, ML28: Generate additional Ki on critical hits by 3
Many other classes have Augments supporting their main-class-abilities. And Monks Need ki, you can´t find pots that you guzzle when you Need some.