T1 Esports Codexery

Oner

A jungler who secured three straight World Championships for T1.

Moon Hyeon-jun, known professionally as Oner, is a South Korean professional League of Legends player serving as the jungler for T1. Born on December 24, 2002, he began his journey in 2020 with T1 Academy before earning his debut on February 21, 2021, following his 17th birthday. Oner quickly established himself as a starter, reaching six LCK Finals and securing the 2022 Spring Split title. His career is defined by an unprecedented run of international success, culminating in three consecutive World Championship victories in 2023, 2024, and 2025.

Role
Jungler
Affiliation
T1 Esports
Real Name
Moon Hyeon-jun
Status
Active
Debut Year
2021
Major Achievement
Three-time World Champion (2023, 2024, 2025)

Verified Timeline

2002202020212022202320242025

Lore & Background

Oner's path to the main roster started in 2020 within the developmental ranks of T1 Academy. After turning 17 on January 31, 2021, he made his LCK debut just weeks later against Liiv SANDBOX. While his initial 2021 Spring Split involved limited playing time, his promotion to a starting role marked a turning point. By the 2022 Spring Split, Oner was instrumental in T1 achieving an undefeated 18–0 regular season record, a historic first for the LCK. This dominance carried them to their first title under his leadership. The years that followed saw consistent pressure; after losing the 2023 LCK Spring and Summer finals to Gen.G, Oner guided T1 to their fourth World Championship in November 2023 with a decisive 3–0 victory over Weibo Gaming.

In Their Own Story

In 2024, despite a challenging domestic season where they finished fourth in the Summer Split regular season and lost the lower bracket final to Hanwha Life Esports, Oner and T1 demonstrated remarkable resilience on the global stage. The team traveled to Berlin, Paris, and London for Worlds 2024, securing their fifth organizational title by defeating Bilibili Gaming 3–2 in the Grand Final. This victory set the stage for 2025, where a revamped roster saw Oner help secure the second LCK seed for MSI before falling to Gen.G in the final. Later that year, after qualifying as the fourth seed through the lower bracket at Worlds, Oner led T1 through a grueling knockout run. They eliminated Invictus Gaming and 100 Thieves in earlier stages before sweeping Top Esports 3–0 in the semifinals, ultimately defeating KT Rolster 3–2 to claim their third consecutive World Championship.

Reader's Guide

Oner's individual accolades reflect his consistency at the highest level of competition. He has been named LCK Jungler of the Year four times consecutively from 2022 through 2025. His peak performance in 2023 earned him a First All-Pro Team designation, while he secured additional spots on the Second and Third All-Pro Teams across various splits. Beyond his jungle dominance, Oner holds an LCK Finals MVP award from the 2022 Spring Split. His international trophy case is equally impressive, featuring three World Championship titles (2023, 2024, 2025) and an Esports World Cup title in 2024. These achievements highlight his ability to perform when it matters most, from the early game pressure of domestic splits to the climactic finals of global tournaments.

Did You Know?

More in Players & Staff

Related in T1 Esports

Links follow this subject's own source article.

Elsewhere in the T1 Esports universe

Spotted an error? Know more?

This is a living reference — every entry is fact-audited, and reader corrections feed straight into our audit queue. Suggest an edit · See this site's audit record

Comments

Loading…
Open in the interactive codex →