Cobra Kai: The Karate Kid Saga Continues

As you progress through the game, you will earn coins from defeated enemies and from completing Karate Challenges. Using these coins to unlock new Dojo and Personal Skills will help you towards unlocking this achievement as some Skills will unleash a flurry of weaker hits on enemies.

Skills can be rolled into one after another, so experiment with each character to figure out which combination and sequence of Skill uses works best for you. There is a nice side effect to using Skills in that you are temporarily invulnerable while performing them. That's not to say that an enemy will get lucky and catch you right between executing maneuvers (happened to me quite frequently) but you will get this with a little practice.

I found Tory (Cobra Kai) and Robby (Miyagi-Do) to be the easiest to both start and maintain long combos with, but your play style may differ. I found Robby's standard punch combo (repeatedly mashing ) especially effective in juggling enemies against the side of the screen to start or maintain a combo.

This achievement popped for me long before I was powerful enough to do it, so it may be glitched slightly. Don't be surprised if you get this without needing to fulfill the requirements. Getting this achievement also fulfills one of the Karate Challenges towards getting the Black Belt achievement: