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Background Information
Name: Jung Min-sung (정민성)
Country of Birth: South Korea South Korea
Birthday: May 5, 1993 (1993-05-05) (age 23)
Role: Coach
League Information
Peak League: DiamondLeague.png Diamond I (KR)
Alternate IDs: Cj Entus 빠른별, Azubu RapidSTAR, MiG RapidStar
Social Media Links
Twitter: @MinseongJeong1
Team History
Oct 2011 - Jun 2012
Maximum impact Gaming Frost
Jun 2012 - Feb 2013
Azubu Frost
Feb 2013 - Jan 2014
CJ Entus Frost
Jan 2016 - Present
Edward Gaming
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Jung "RapidStar" Min-sung (정민성) is the coach for Edward Gaming.


He started gaming when PC gaming was getting popular in Korea but disliked Starcraft and preferred Fortress, a tank shooting game. After a while he found Warcraft and Chaos which he played for a long time. He found and started playing League of Legends because it was a "foreign" game. He started playing around the time
came out and started playing
. He didn't really like Blitzcrank that much and moved on to
. He saved up to later buy
. [1]


  • Attributes the strength of Frost to their closeness as players and friends; liking them to a second family.
  • Believes that the lack of a hierarchy within the team is important as it allows every player to contribute to analysis and game planning.
  • Favorite champions are:
    , [2] and
  • Koreans often said "Yeok-ppa-che" regarding his play, which roughly means "As expected, RapidStar is the best". It was said as mockery at first, but after he had shown great
    performances on Azubu The Champions Summer 2012 Final against CLG EU; it became a true expression of respect.
  • The name RapidStar is represented in the Korean characters, Min(fast, swift), and Seong(Star).
  • Popularizes
    in competitive League of Legends.
  • Bravely chooses
    to against the best
    player Froggen.
  • Awarded Best Mid Laner at 2012 Korean e-Sports Awards. [4]

Team Achievements
Date Event Results
2013-08-28 Ogn logo.png HOT6iX Champions Summer 2013 Copper.png
2 : 3
2013-06-05 Ogn logo.png OLYMPUS Champions Spring 2013 Copper.png
0 : 3
2013-03-09 Esltumbnail.png IEM Season VII - World Championship Silver.png
1 : 3
2013-02-22 Ogn logo.png OGN Club Masters Copper.png
0 : 3
2013-02-02 Ogn logo.png OLYMPUS Champions Winter 2012-2013 Silver.png
0 : 3
2013-01-20 Esltumbnail.png IEM Season VII - Global Challenge Katowice SF.png
0 : 2

Team Achievements
Date Event Results
2012-10-13 Worlds Logosmall.png Season 2 World Championship Silver.png
1 : 3
2012-09-08 Ogn logo.png Azubu The Champions Summer 2012 Gold.png
3 : 2
2012-05-19 Ogn logo.png Azubu The Champions Spring 2012 Silver.png
0 : 3
2012-02-17 Ogn logo.png OnGameNet LoL Invitational Gold.png
2 : 1




  1. Azubu Player Site teamazubu.com
  2. "MiG Frost Team Interview"
  3. "LOL Thisisgame.com official Q&A"
  4. Result of 2012 Korean e-Sports Awardsinven.com.kr