No Korea did not get honing rate buff with Argos, nor was it with Valtan, also not with Vykas or Kakul-Saydon Korea got it in the Astalgia update in July 2021 :
Lost Ark bringt riesigen Mai-Patch - Doch eine kleine Änderung begeistert die Spieler am meisten
Lost Ark Patch Notes For May Include New Raids And More | TechRaptor
Final October Korean Class Balance Changes - Lost Ark Maxroll.gg : r/lostarkgame
Lost Ark April update patch notes: Glavier, South Vern & Graceful Monkey skin set - Dexerto
KR PTR Balance Patch : r/lostarkgame
November Soul Harvest Release Notes - News | Lost Ark - Free to Play MMO Action RPG
News for Lost Ark on Maxroll.gg - New Guides, Patch Notes, Classes
Home - Lost Ark Database
September Release Notes - News | Lost Ark - Free to Play MMO Action RPG
Lost Ark Korea Patch Notes April 2022 – GamePlayerr
Lost Ark's Soul Harvest Arrives With The Souleater Class But Without Korean Class Buffs - MMOs.com
When will Lost Ark classes from Korean version release in the West? - Dot Esports
Several Important Updates in Lost Ark KR (2022.2.23) : r/lostarkgame
Lost Ark Spells In Spades Update Arrives July 20: Full Patch Notes - GameSpot
Lost Ark: Patch Notes zum Release - Mit neuen Gebieten und Raids
October Class Balance Changes on Korean Test Server - Lost Ark Maxroll.gg
Lost Ark April Update Patch Notes
Lost Ark year two aims to “greatly reduce the gap” between regions
Download English Patch for Lost Ark - Lost Ark Database
The Art of War Release Notes - News | Lost Ark - Free to Play MMO Action RPG
Lost Ark Update Brings Class Balance Changes And Sets The Stage For Server Merges: Full Patch Notes - GameSpot
January 2023 Korean Class Balance Patch - Lost Ark Maxroll.gg
