Bae Sung-woong (), better known as Bengi (), is a South Korean former professional League of Legends player and currently works for head coach for Dplus KIA.
As a professional player, Bengi has won three iterations of the League of Legends World Championships, having done so in , 2015, and 2016. He has also won the All-Star Paris 2014. He owns three different League of Legends skins as a result of winning World Championships, which include SKT T1 Lee Sin (2013), SKT T1 Elise (2015) and SKT T1 Olaf (2016).
He had played a total number of 319 matches in his career, with 231 wins and 88 losses, and a win rate of 72.4%.
Bengi was born in South Korea on November 21, 1993.
Bengi enlisted in the army on January 28, 2019. He was discharged on September 4, 2020.
Bengi was previously known as JangTa. He started his career with BBT before joining SK Telecom T1 2 in 2013.
On November 27, 2017, he returned as a coach for SK Telecom T1. He parted ways with the team in November 2018.
On November 13, 2020, he rejoined T1 as the head coach for T1 Challengers team.
On December 3, 2021, Bengi was promoted as a coach from T1 Challengers to T1's main roster, which competes in LCK's main stage.
On September 5, 2022, Bengi was assigned as the interim head coach of T1.
On July 08, 2023, he resigned from his position as head coach of T1.
On November 13, 2024, after taking 1.5 years of break, Bengi joined Dplus KIA as head coach.