knuckles, domkey, dosu, cracker zacks, and randy.s over maybe they'll give me a b-boy name. i thought i had moves but the moves these guys do are, well -- >> up, come back down -- >> reporter: intense. >> chicken wing. >> that was instructional. >> let's graduate. what other moves would they be assured you'd see if you went to a battle? >> you might see somebody do head spins. wind mills. the one where you're spinning around your upper body on the floor. >> reporter: twisting and spinning. these b-boys put together a routine they bring into battle. it's the day of the big competition. >> it's time for the battle! >> reporter: in his first battle, ryan doesn't hold back. >> the winner is -- napalm! >> reporter: he can't rest long. because his next opponent is one of the best in the world. 21-year-old victor montalbo who won this same event last year. >> drop a beat on him! >> reporter: from the start both bring their best moves. >> napalm is a blowup technician! >> reporter: and ryan brings that battle spirit. >> oh, wait! i'm not don