Echo uses complex combat moves to deliver a skill and fitness workout that ticks every box on the physical fitness list. It helps develop agility and coordination, balance and tendon strength, muscle stability and power, endurance and explosiveness. This is a multi-faceted workout whose benefits just keep on giving. If you're looking for a workout that pretty much does it all, stop here for a while. Master Level III, with EC.
Extra Credit: 1 minute rest between sets.