The anniversary Cataclysm Survivor announcement lists Lux and Ventus vulnerabilities in Zone 1, and Lux and Aqua in Zone 2. Its period is October 19, 2026 after maintenance to November 9 at 19:59 (UTC-7). Completing a zone and meeting a designated score are separate reward conditions; do not treat a clear alone as proof that you earned every additional Defender’s Medal.
Seasonal objectives and vulnerabilities from official version notices. This is a zone/reward reference, not a verified stage route, score formula or guaranteed team clear.
Sources checked:
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Choose for the announced enemy vulnerabilities
Version 2.0 Catastrophe zones
Scroll the table sideways on a narrow screen.
| Zone | Announced vulnerabilities | Planning use |
|---|---|---|
| Zone 1 | Lux, Ventus | Compare the relevant squads and their saved Records; a vulnerability does not by itself establish a complete team. |
| Zone 2 | Lux, Aqua | Use the zone’s actual mission and score targets when choosing which prepared squad to attempt. |
The official announcement describes a defense battle. It does not state a universal enemy route or build for every zone. The two zones’ vulnerability lists overlap at Lux, but that does not prove one Lux Record is optimal for both encounters.
Check both mission completion and the designated score
- Defense missions award Stellanite Dust and Defender’s Medals according to the announced activity.
- The notice separately says clearing Catastrophe zones and reaching the designated score grant additional Defender’s Medals. Check the score condition beside the reward you want.
- A result below that target can still be a completed run. Improve the build or Record for the missing score condition rather than assuming a clear marks every reward complete.
No numerical score threshold or scoring formula appears in the supplied anniversary notice. Use the actual displayed zone/mission target; applying a number from another season would change the reward condition without evidence.
Vulnerabilities and event windows change by version
Official examples of version-specific conditions
Scroll the table sideways on a narrow screen.
| Notice | Zone 1 / Zone 2 | Stated access context |
|---|---|---|
| Version 1.9, April 2026 | Umbra + Aqua / Umbra + Ventus | Authorization Level 11; April 15 after maintenance to May 7 at 19:59 UTC-7. |
| Version 2.0 anniversary, October 2026 | Lux + Ventus / Lux + Aqua | October 19 after maintenance to November 9 at 19:59 UTC-7. The preview does not restate an authorization gate. |
Authorization Level 11 also appears in the version 1.14 notice. That is a documented earlier requirement, not a reason to invent a different anniversary gate or to assume old vulnerabilities remain active. Check the new zone information whenever the version changes.
Use the team-building guide to compare the jobs your prepared squad needs for that zone.
Sources & scope
These notes organize the sources below. Creator observations belong to their authors; this site has not performed the gameplay tests. A source check is separate from a game update or publication date.
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