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PATCH NOTES / KR

October 21 · Korea Arcana extraction issue

KR known issue: extracting Noble Crystal Arcana fails with an invalid-data message. NC has not announced a fix time. This is not an NA, class-balance or DPS change.

Summary reviewedSource updated: 2026-10-21 02:21 UTC
NC · Official source ↗

Reviewed class changes and selected system highlights. Read the official notice for the full event rewards and product tables. Class labels describe announced changes. Combat-impact notes explain likely effects; they are not measured total DPS percentages. ↑ buff + ↓ nerf within one class = ↔ adjustment.

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At a glance · class impact

All classes Other change
CLASS CHANGES

All classes Other change

Other change 1

  • Other change

    Noble Crystal Arcana · extraction unavailable

    After the third-week October KR update, attempting extraction displays an invalid Arcana extraction-data system message and does not complete. The notice reports investigation and response in progress, not a completed fix.

    Combat impact P1 analysis: the October 21 KR guidance to extract excess Arcana may currently fail for this named item. Do not infer that every Arcana type is affected or that items are deleted.

PATCH HIGHLIGHTS

Other patch highlights

Officially confirmed issue

  • Published October 21 at 02:20 UTC for Korea and revised at 02:21 UTC. NC names only Noble Crystal Arcana and says the extraction attempt stops after the invalid-data message.
  • A detailed response schedule remains unannounced. The October 21 update page and its historical Arcana values remain unchanged; this notice adds a current operational warning.

Guide impact and verification pending

  • P1 guide impact: add this warning to the reviewed update route /updates/kr-6ad8207a577e8c01355e00c1/ and the source-bound data in data/patch-reviews.json and data/news.json. No skill, DPS, boss, map or NA research input changes.
  • In-game verification pending: reproduce the exact item and message, check whether other Arcana types extract normally, and confirm the later fix time and outcome. No in-game validation was performed in this review.

Class artwork © NC · official AION 2 teaser. Korea-only class terms and tables are not applied to North America. NC ↗

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