# Lost Ark Fog of Diaspero Release Notes

- Product: Lost Ark (https://whatsnew.fyi/product/lost-ark)
- Vendor: Smilegate RPG
- Date: 2025-10-28
- Original notes: https://store.steampowered.com/news/app/1599340/view/501713868279517250
- Permalink: https://whatsnew.fyi/product/lost-ark/releases/2025-10-28-fog-of-diaspero-release-notes

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Introduce Kazeros Raid Prelude: Destined Trajectory
- **added** — Add October Ark Pass
- **added** — Add Lucky Box event
- **added** — Implement Proving Grounds competitive match season 7
- **changed** — Apply Korean balance patch alongside Kazeros

##

Heroes of Arkesia,

The corruption that began in the depths has crossed over the Kurzan Abyss, tainting the seas. The long-lost body of Kazeros has begun to take form within the fog. What will befall Arkesia in the future?

This update introduces the Kazeros Raid Prelude: Destined Trajectory, October Ark Pass, Lucky Box event, Korean balance patch that arrived alongside Kazeros, Proving Grounds competitive match season 7, and more. Downtime will begin on October 29 at 1 a.m. PT (8 a.m. UTC) and is expected to last 6 hours. Check out the [Fog of Diaspero Release Page](https://www.playlostark.com/en-us/game/releases/fog-of-diaspero) for the full list of new content, events, store offerings, and other changes.

Thanks for your support! We'll see you in Arkesia.