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GDC + VRDC 2019 Session Scheduler

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Reinforcement Learning in Action: Creating Arena Battle AI for 'Blade & Soul'

Jinyun Chung  (Team Leader, NCSOFT)

Seungeun Rho  (Research Engineer, NCSOFT)

Location: Room 2002, West Hall

Date: Tuesday, March 19

Time: 3:50 pm - 4:20 pm

Pass Type: All Access, GDC Conference + Summits, GDC Summits - Get your pass now!

Topic: AI Summit

Format: Session

Vault Recording: Video

Audience Level: Intermediate

The NCSOFT team applied reinforcement learning to create an AI for the arena 1v1 battle in 'Blade & Soul', a global MMORPG. The AI agents participated in the 2018 'Blade & Soul' Tournament World Championship as blind matches and played against three top professional players from across the globe. The AI had 3 wins and 4 loses - an impressive showing against professional players. In this session, the NCSOFT team will will share their experiences on how they built pro-level AI agents.


Attendees will learn how NCSOFT made professional level AIs exclusively with reinforcement learning, as well as hear the NCSOFT team's experiences with solving various issues when applying reinforcement learning to a commercial game.

Intended Audience

Anyone who is interested in applying reinforcement learning to commercial games.