FireFist was the captain of KT Rolster, he took over for ZergBong after he retired to become a coach. He was traded to KTF at the beginning of the 2008-2009 Proleague season from WeMadeFox. He has had mixed results with both teams. FireFist went 6-9 in his first season on KTF but was 0-7 vs Terran. His biggest accomplishment is all killing CJ Entus in the 2009 STX Masters. He qualified for the round of 16 in the 2009 Nate MSL going 2-1 with wins over EffOrt and Ruby. Firefist admitted “I couldn’t think of what to do on Ultimatum, so I 4 pooled” when asked about his match against RuBy.. He stated in the same interview that he didn't mind playing against Jaedong, citing that it will be fun, but he is very scared if he has to play Flash.
FireFist played Jaedong in his Round of 16 match. Jaedong thumbed-down Ultimatum for their match-up. Jaedong won the series convincingly, greatly outclassing Firefist and knocking him out 0-2.
Firefist finished round 1 of the proleague with a 1-1 record and round two with a 0-2 record, leaving him 1-3 going into winner's league.