Netmarble showcased a Solo Leveling: Karma cosplay show and streamer showdown at Tokyo Game Show 2026 (TGS 2026) held at Makuhari Messe in Japan.

Cosplayers Manaso and Iori Moe delivered cosplay performances as Sung Jinwoo and Cha Haein. Streamers Kenki and yunocy participated in the streamer showdown, introducing the combat tempo and action of Solo Leveling: Karma.

Stage events for Solo Leveling: Karma will continue every day for the remainder of TGS 2026, featuring a cosplay show for approximately 10 minutes and a streamer showdown for 50 minutes.

On September 20 at 2:15 PM, the Cosplay Show & Special Streamer Showdown Stage - Defeat Sung Jinwoo will take place. Ban Taito, the voice actor for Sung Jinwoo in Japan, along with streamers k4sen and Vodoka, will make appearances to engage in a three-way time attack battle competing for clear times.