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| Sero | ||
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| Background Information | ||
| Name | An Hyo-chan (안효찬) | |
| Country of Birth | South Korea | |
| Birthday | November 21, 2005 (age 20) | |
| Residency | Korea | |
| Competitive | ||
| Team |  KT Challengers | |
| Contract Expires | 2027-11-15 | |
| Role | Top Laner | |
| Competitive IDs | TOP, Rex | |
| Social Media & Links | ||
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An "Sero" Hyo-chan (Hangul: 안효찬) is a League of Legends esports player, currently top laner for KT Rolster Challengers. He was previously known as Rex.
Team History
| Team | Start | End | |||
|---|---|---|---|---|---|
| KT Academy | Oct 20222022-10-22 | Dec 20242024-12-17[1] | 2yr 1mo ejel | ||
| KT Challengers | Dec 20242024-12-17[2] | Present | 1yr 1mo ej |
| Team | Start | End | |||
|---|---|---|---|---|---|
| KT Academy | Oct 20222022-10-22 | Dec 20242024-12-17[1] | 2yr 1mo ejel | ||
| KT Challengers | Dec 20242024-12-17[2] | Nov 20252025-11-21[3] | 11mo 4d ejel | ||
| KT Challengers | Nov 20252025-11-21[3] | Present | 2mo 3d ej |
News
2022
 KT.A | October 22, Rex, Zinie, and SUP join. |
2024
| KT.A | December 17, Zzus (Coach) joins. Rex leaves for sister team KT Challengers.[1][2] | |
| KT.C | December 17, Rex joins as substitute from academy roster.[2] |
2025
| KT.C | January 6, Rex renames to Sero.[5] | |
| KT.C | January 17, Casting, YoungJae, Paduck, Peter, Spark (Head Coach), and Lilac (Coach)'s contracts are updated in the GCD, expiring on 17 November 2025. Hype and Sero's contracts are updated in the GCD, expiring on 15 November 2027.[6] | |
| KT.C | November 21, Sylvie and Effort join. Hwichan and FenRir join from academy roster. Sero moves to starting roster.[3][4] |
Biography
Trivia
Tournament Results
This table shows up to the 10 most recent results. For complete results, click here.
| Sero Tournament Results | |||||
|---|---|---|---|---|---|
| Date | Pl | Event | Last Result | Team | Roster |
| 2025-12-08 | 10 - 12 | KeSPA Cup 2025 | 1 - 3  RR |  KT | Sero, Sylvie, Bdd, Hwichan, FenRir, Effort, Spark, Lilac |
| 2024-11-16 | 5 | LCK AS 2024 2nd Championship | 3-4-5 RR | KT.A | TOP, JUG, MID, ADC, SUP |
| 2024-09-01 | 3 - 4 | LCK AS 2024 September | KT.A | Rex, Soft, Calix, Cherry, Chrissy | |
| 2024-08-17 | 9 - 12 | KeG Championship 2024 | 1 - 2 RR |  KGG | Rex, Soft, Calix, Cherry, Chrissy |
| 2024-08-11 | 2 | LCK AS 2024 August | 1 : 2  원딜이 | KT.A | Rex, Soft, Calix, Cherry, Chrissy |
| 2024-06-15 | 7 | LCK AS 2024 1st Championship | 4-7-7 RR | KT.A | TOP, JUG, MID, AD, SUP |
| 2023-11-26 | 1 | LCK AS 2023 2nd Championship Playoffs | KT.A | TOP, JUG, MID, AD, SUP | |
| 2023-11-18 | 3 | LCK AS 2023 2nd Championship | 8-6-2 RR | KT.A | TOP, JUG, MID, AD, SUP |
| 2023-08-13 | 1 | LCK AS 2023 August | 2 : 0  GJS | KT.A | Rex, Swamp, 최고의전투기까지, 남탓하지말어, Motive |
| 2023-07-23 | 2 | LCK AS 2023 July | KT.A | Rex, Swamp, 최고의전투기까지, sksmsqkqhek, Motive | |
Media
Post-Match Interviews
- 2025
- 2026
| Date | Tournament | Match | Link |
|---|---|---|---|
| 2025-02-27 | LCK CL 2025 Kickoff | KT.C vs  T1.EA | Link |
| Date | Tournament | Match | Link |
|---|---|---|---|
| 2026-01-19 | LCK CL 2026 Kickoff |  GEN.GA vs KT.C |
Images
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KT.C Sero, LCK CL 2025 Kickoff -
KT.C Sero, LCK CL 2025 Rounds 3-5 -
KT.C Sero, LCK CL 2026 Kickoff
Redirects
The following pages redirect here:
References
- ↑ 1.0 1.1 1.2 KT Rolster's Facebook Post facebook.com
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 KT Rolster's Facebook Post facebook.com
- ↑ 3.0 3.1 3.2 KT Rolster's Facebook Post facebook.com
- ↑ 4.0 4.1 4.2 KT Rolster's Facebook Post facebook.com
- ↑ 2025 LCK CUP & LCK CL KICKOFF 통합 로스터 lolesports.com
- ↑ Archive Pages: before change - KR - 2025-01-16; after change - KR - 2025-01-17