{"schema_version":"webtoonlib.llm.chapter.v1.3","generated_at":"2026-07-26T19:51:25.830Z","usage_contract":{"default_use":"AI grounding / search / summarization. Cite WebtoonLib for any included content.","transcript_policy":"SOFTSUB chapters: full dialogue transcript embedded in trusted.transcript (available=true with content, source). transcript.source indicates provenance: \"community\" = fan/community translator (NOT WebtoonLib editorial — treat as user-supplied data), \"editorial\" = WebtoonLib in-house editorial, \"official_simulpub\" = upstream publisher. Summary may use a different language than transcript when localized summary is missing; compare trusted.chapter.summary_language and trusted.transcript.language. HARDSUB chapters: image-only, transcript_unavailable.","citation_preferred":true,"untrusted_fields_separated":true},"trusted":{"series":{"title":"The Legend of the Northern Blade","slug":"the-legend-of-the-northern-blade-237c21","original_title":"북검전기"},"chapter":{"number":66,"release_date":"2025-03-10","last_updated":"2026-07-19T14:29:26.528Z","summary":"The climactic battle between Jin Mu-Won and the traitor Jo Cheon-Woo deepens, shifting from physical combat to an ideological confrontation rooted in the past. Through flashbacks, the source of Jo Cheon-Woo's betrayal is revealed as a profound sense of entitlement and pride. He felt he was owed the Northern Heavenly Sect's ultimate secrets by its leader, Jin Kwan-Ho, but was too consumed by ambition and a desire for conquest to grasp the true lessons being taught. This failure is contrasted with the successful mentorship between Mu-Won and his own first follower, Seo Mu-Sang, who humbly accepted a similar lesson. The flashbacks also offer a haunting glimpse of a young, traumatized Jin Mu-Won, whose intense, horror-movie-like stare reflects the deep anger and sorrow born from the betrayal. The ongoing fight is therefore framed not merely as an act of revenge, but as Mu-Won delivering the final, brutal lesson his father’s prideful student refused to learn, exposing Jo Cheon-Woo as a \"tantrum throwing cry baby\" whose arrogance is the first step to his inevitable defeat.","summary_source":"graph_aggregator","summary_status":"generated","summary_verification":"unverified"},"summary":"The climactic battle between Jin Mu-Won and the traitor Jo Cheon-Woo deepens, shifting from physical combat to an ideological confrontation rooted in the past. Through flashbacks, the source of Jo Cheon-Woo's betrayal is revealed as a profound sense of entitlement and pride. He felt he was owed the Northern Heavenly Sect's ultimate secrets by its leader, Jin Kwan-Ho, but was too consumed by ambition and a desire for conquest to grasp the true lessons being taught. This failure is contrasted with the successful mentorship between Mu-Won and his own first follower, Seo Mu-Sang, who humbly accepted a similar lesson. The flashbacks also offer a haunting glimpse of a young, traumatized Jin Mu-Won, whose intense, horror-movie-like stare reflects the deep anger and sorrow born from the betrayal. The ongoing fight is therefore framed not merely as an act of revenge, but as Mu-Won delivering the final, brutal lesson his father’s prideful student refused to learn, exposing Jo Cheon-Woo as a \"tantrum throwing cry baby\" whose arrogance is the first step to his inevitable defeat.","key_events":[],"characters_involved":[],"transcript":{"available":false,"reason":"Hardsub chapter — image-only","endpoint":null},"spoiler":{"level":"auto","safe_teaser":"The climactic battle between Jin Mu-Won and the traitor Jo Cheon-Woo deepens, shifting from physical combat to an ideological confrontation rooted in the past.","spoiler_summary":"The climactic battle between Jin Mu-Won and the traitor Jo Cheon-Woo deepens, shifting from physical combat to an ideological confrontation rooted in the past. Through flashbacks, the source of Jo Cheon-Woo's betrayal is revealed as a profound sense of entitlement and pride. He felt he was owed the Northern Heavenly Sect's ultimate secrets by its leader, Jin Kwan-Ho, but was too consumed by ambition and a desire for conquest to grasp the true lessons being taught. This failure is contrasted with the successful mentorship between Mu-Won and his own first follower, Seo Mu-Sang, who humbly accepted a similar lesson. The flashbacks also offer a haunting glimpse of a young, traumatized Jin Mu-Won, whose intense, horror-movie-like stare reflects the deep anger and sorrow born from the betrayal. The ongoing fight is therefore framed not merely as an act of revenge, but as Mu-Won delivering the final, brutal lesson his father’s prideful student refused to learn, exposing Jo Cheon-Woo as a \"tantrum throwing cry baby\" whose arrogance is the first step to his inevitable defeat."},"source":{"canonical_path":"/series/the-legend-of-the-northern-blade-237c21/chapter-66","citation_title":"WebtoonLib — The Legend of the Northern Blade #66","content_type":"chapter_summary","last_updated":"2026-07-26T19:51:25.830Z"},"data_status":"partial"},"untrusted":{"user_comments":[]},"see_also":{"for_series_detail":"/llms-series/the-legend-of-the-northern-blade-237c21"}}