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MCX Mission 2020 Split 2.png
Background Information
NameChen Hsiao-Hsien (陳孝銜)
Country of BirthTaiwan Taiwan
BirthdaySeptember 28, 1995 (age 24)
Prev Residencies
TeamMachi Esportslogo std.pngMachi Esports
Mid Laner
Favorite Champs

Competitive IDsDonSan
Social Media & Links
Infobox Facebook Fanpagelogo std.png
Infobox LOLProslogo std.png
Team History
Nov 2014 - Apr 2015
Tpa std.pngTaipei Assassins
Apr 2015 - Nov 2016
Midnight Sun Esportslogo std.pngMidnight Sun Esports
Nov 2016 - Dec 2016
Hong Kong Esportslogo std.pngHong Kong Esports
Dec 2016 - May 2017
Fireballlogo std.pngFireball
May 2017 - Nov 2017
Hong Kong Attitudelogo std.pngHK Attitude
Jan 2018 - Mar 2018
AHQLogo std.pngahq eSports Club
Mar 2018 - May 2018
AHQLogo std.pngahq eSports Club
May 2018 - Nov 2018
Machi Esportslogo std.pngMachi Esports
Dec 2018 - Dec 2019
Hong Kong Attitudelogo std.pngHK Attitude
Dec 2019 - Feb 2020
G-Rexlogo std.pngG-Rex
Feb 2020 - Present
Machi Esportslogo std.pngMachi Esports

Chen "M1ssion" Hsiao-Hsien (Hanzi: 陳孝銜) is a League of Legends esports player, currently mid laner for Machi Esports. He was previously known as DonSan.


DonSan joined the Taipei Assassins as a substitute Jungler and Mid Laner in late 2014. But since the team's Junglers Winds, Sarsky, DinTer and Mid Laners Chawy, Achie were performing well during that time, DonSan never played a single game on stage.

2015-2016 Season[edit]

In mid 2015, Midnight Sun Esports' coach Lilballz invited DonSan to join his team as their starting Mid Laner as the team's previous Mid Laner Wish has just left the team. DonSan accepted his offer and renamed to M1ssion. After joining the team, they participated in the LMS 2015 Summer Promotion and won the relegation match against armature team Donate Me Please to secure themselves a spot in the LMS 2015 Summer Split.

During the Summer split, M1ssion shared the starting Mid Laner role with Korean import CaNdy before CaNdy was banned from competitive play for six months for accepting offers from the other teams without notifying MSE's management.

In the 2016 Season, M1ssion played for all of MSE's games but the team failed to make playoffs in both splits, placing 6th in the 2016 Spring Split and 5th in the 2016 Summer Split. After the summer split, Midnight Sun Esports' LMS spot was acquired by Fireball and M1ssion joined Fireball.

2017 Season[edit]

M1ssion played both Top Lane and Mid Lane during his time in Fireball. However the team did not perform well and was placed 6th in the 2017 Spring Split, once again unable to make it to playoffs. During the break between the spring and summer split, M1ssion left the team to join the newly rebuilt Hong Kong Attitude and replace their previous Mid Laner Gear due to management conflicts.

Hong Kong Attitude had a mediocre performance in the 2017 Summer Split and ended in 6th with a 7-7 score, meaning that the team was out of playoffs. However since Flash Wolves and ahq e-Sports Club qualified for Worlds, HKA was allowed to participate in the Taiwan Regional for the 3rd seed at Worlds. HKA proceeded to win both games against J Team and Raise Gaming and qualified for Worlds as LMS' 3rd seed.

At Worlds, HKA was placed in Group D with Turkish team 1907 Fenerbahçe Esports and Japanese team Rampage. HKA placed 2nd in the fist round and faced Fnatic in the second round, losing a quick 0-3 and knocked out of Worlds.

During the pre-season, Hong Kong Attitude and ahq e-Sports Club agreed to swap players and swapped M1ssion for Chawy.


  • Was known as 東山街惡少 or 東山 before joining the competitive scene.
  • Nicknamed 電競佣兵 (the esports mercenary) in Taiwan for frequently changing teams.


PCS 2020 Spring PlayoffsMachi Esportslogo std.pngTalon Esportslogo std.png
LMS 2017 SummerHong Kong Attitudelogo std.pngJ Teamlogo std.png
Click here for a full list of pentakills by all players.

Tournament Results[edit]

This table shows up to the 10 most recent results. For complete results, click here.

Minimum place

M1ssion Tournament Results
DatePlEventLast ResultRoster
2020-08-024 PCS 2020 Summer
13 - 5Blanklogo std.pngRR
Machi Esportslogo std.pngMCX PK,  Gemini,  Mission,  Bruce,  Koala,  Dreamer,  Mountain
2020-05-293 Mid-Season Showdown 2020
1 : 3Team Flashlogo std.pngFL
Machi Esportslogo std.pngMCX PK,  Gemini,  Mission,  Bruce,  Koala,  Mountain,  Dreamer
2020-05-032 PCS 2020 Spring Playoffs
2 : 3Talon Esportslogo std.pngTLN
Machi Esportslogo std.pngMCX PK,  Gemini,  Mission,  Bruce,  Koala,  Leo,  Mountain
2020-04-051 PCS 2020 Spring
15 - 3Blanklogo std.pngRR
Machi Esportslogo std.pngMCX PK,  Gemini,  Mission,  Bruce,  Koala,  Leo,  Mountain
2019-10-1813 - 16 Worlds 2019
0 - 6Blanklogo std.pngRR
Hong Kong Attitudelogo std.pngHKA 3Z,  Crash,  M1ssion,  MnM,  Unified,  Kaiwing,  Chawy
2019-09-081 LMS 2019 Regional Finals
3 : 0G-Rexlogo std.pngGRX
Hong Kong Attitudelogo std.pngHKA 3z,  Crash,  M1ssion,  Unified,  Kaiwing,  Chawy
2019-08-253 LMS 2019 Summer Playoffs
2 : 3AHQLogo std.pngahq
Hong Kong Attitudelogo std.pngHKA 3z,  Crash,  M1ssion,  Unified,  MnM,  Kaiwing,  Chawy
2019-08-043 LMS 2019 Summer
6 - 6Blanklogo std.pngRR
Hong Kong Attitudelogo std.pngHKA 3z,  Crash,  M1ssion,  Unified,  MnM,  Kaiwing,  Chawy
2019-03-315 LMS 2019 Spring
7 - 7Blanklogo std.pngRR
Hong Kong Attitudelogo std.pngHKA 3z,  Gemini,  Crash,  M1ssion,  Error,  Unified,  MnM,  Kaiwing,  Chawy
2018-09-213 - 4 Taiwan Regional Finals 2018
2 : 3J Teamlogo std.pngJT
Machi Esportslogo std.pngMCX 3z,  Bugi,  M1ssion,  DeuL,  Dreamer,  Leo


Post-Match Interviews

2020-07-05PCS 2020 Summer
NOVNova Esports (Thai Team)logo std.png
Machi Esportslogo std.pngMCX
2020-06-20PCS 2020 Summer
RSGResurgencelogo std.png
Machi Esportslogo std.pngMCX
2020-05-28Mid-Season Showdown 2020
MCXMachi Esportslogo std.png
Talon Esportslogo std.pngTLN
2019-10-08Worlds 2019 Play-In
HKAHong Kong Attitudelogo std.png
Isuruslogo std.pngISG
2019-06-15LMS 2019 Summer
GRXG-Rexlogo std.png
Hong Kong Attitudelogo std.pngHKA
2019-03-28LMS 2019 Spring
ALFAlpha Esportslogo std.png
Hong Kong Attitudelogo std.pngHKA



The following pages redirect here:


  1. 1.0 1.1 1.2 M1ssion's Facebook Post (Chinese) facebook.com
  2. 2.0 2.1 2.2 HKES' Facebook Status (Chinese) facebook.com
  3. 3.0 3.1 3.2 Machi E-Sports' Tweet twitter.com
  4. 4.0 4.1 4.2 M1ssion's Facebook Post facebook.com
  5. 5.0 5.1 5.2 Global Contract Database - LMS - 2018-11-20 lol.gamepedia.com
  6. 6.0 6.1 6.2 Machi E-Sports' Tweet twitter.com
  7. 7.0 7.1 7.2 M1ssion's Facebook Post (Chinese) facebook.com
  8. 8.0 8.1 8.2 Hong Kong Attitude's Facebook Post (Chinese) facebook.com
  9. 9.0 9.1 9.2 Emperor Esports Stars' Facebook Post (Chinese) facebook.com
  10. 10.0 10.1 10.2 PCS' Facebook Post facebook.com
  11. 11.0 11.1 11.2 G-Rex's Facebook Post (Chinese) facebook.com
  12. 12.0 12.1 12.2 GCD Archive Pages: before change - PCS - 2020-02-20; after change - PCS - 2020-02-21
  13. GCD Archive Pages: before change - LMS - 2018-02-26; after change - LMS - 2018-08-10
  14. GCD Archive Pages: before change - LMS - 2018-11-19; after change - LMS - 2019-01-08
  15. M1ssion's Facebook Post (Chinese) facebook.com
  16. GCD Archive Pages: before change - PCS - 2020-01-16; after change - PCS - 2020-01-17
  17. GCD Archive Pages: before change - PCS - 2020-02-18; after change - PCS - 2020-02-21