Broadcast on October 25th, JBJ's Kim Dong Han showed off his spectacular skills dancing 2x speed to popular tracks such as EXO's "Monster," and BTS' "DOPE".

The idol star gave a rather impressive performance working up a sweat in the studio during the dance battle competition.

Seeing this, however, Kim Yong Guk gave a stern response acting a judge, "It was too quick.  You can't rush it like that even if it's 2x the speed."

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Check out the clip above!