The date Blizzard announced

The official announcement calls the next season Hell's Legacy and schedules it for September 15, 2026 at 9:30 a.m. PT.

The page keeps “Season 15” in the search mapping because that is the user-facing query supplied for this site. The official article name is the stronger identifier for checking the launch state.

What this page does not claim

The announcement date does not prove the exact patch download time, server queue duration, reward track or best build.

Use the patch-notes page for changes and the live season page for the post-launch state.

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After the launch window

Once a season has started, the release-date answer no longer tells you whether it is live on your platform.

Open the current-season page and the official season page to check the active realm and version context before playing.

Version and platform boundary

The announcement provides the launch time, not a guarantee about queue length, maintenance completion, local store timing, or reward availability.

Do not use a video, community countdown, or search snippet to replace the official launch announcement for the exact time.

Needs confirmation

The exact post-launch hotfix coverage, platform-specific rollout behavior, and current reward details need a fresh official check.

The next seasonal date is not established by this page and should not be inferred from the Season 15 launch date.