TL;DR
- Lake of Kalandra ends December 6 at 20:00 CET (12:00 PST)
- The Forbidden Sanctum launches December 9 at 20:00 CET
- Three-day gap between leagues allows for final challenge completion
- All characters and items transfer to Standard league automatically
- Use official website timer to track remaining time accurately
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As Path of Exile prepares to launch The Forbidden Sanctum expansion, understanding the league transition mechanics becomes crucial for maximizing your gaming experience. League cycles typically last three months, providing fresh content while maintaining the permanent Standard league for long-term progression.
Path of Exile’s league system introduces temporary game worlds with unique mechanics, items, and challenges that eventually merge into the permanent Standard league. This structure allows developers to experiment with innovative gameplay features while preserving player investments. The transition period between leagues typically spans 2-3 days, giving players time to wrap up current objectives and prepare for new adventures.
Mark your calendars: The Forbidden Sanctum expansion launches for PC players on December 9, falling on a Friday, with deployment scheduled for 20:00 Central European Time. This timing follows Grinding Gear Games’ established pattern of Friday evening releases, allowing weekend warriors to dive deep into the new content immediately.
The development team maintains a consistent break period between league conclusions and new content launches. This strategic gap serves multiple purposes: it provides server stability testing windows, allows for final patch deployments, and gives players breathing room to complete final tasks in the outgoing league.
For precise countdown tracking, utilize the official timer available on the Path of Exile website. This tool automatically adjusts for your local timezone, eliminating calculation errors during these critical final days.
Path of Exile 3.20 The Forbidden Sanctum league livestream details: “roguelike” mode, 2 new skills, endgame improvements, patch notes release
Lake of Kalandra concludes its challenge league run on December 6 at 20:00 CET, which corresponds to 12:00 Pacific Standard Time. With this deadline approaching rapidly, strategic prioritization becomes essential for maximizing your final rewards.
During these final 72 hours, focus on completing league-specific challenges that offer the most valuable Microtransaction (MTX) rewards. High-priority targets typically include boss kills, specific mechanic completions, and accumulation challenges that can be efficiently finished within the remaining timeframe.
Utilize the identical countdown mechanism on the official Path of Exile platform to monitor your remaining window accurately. Simply deduct three days from the displayed counter to determine your exact Lake of Kalandra closure timing.

Following the league’s conclusion, an automated migration process transfers all your characters, inventory items, and stash contents to the Standard league. This preservation system ensures no progression is lost during seasonal transitions.
In Standard league, you retain access to all your accumulated assets and can continue mapping and character development. However, league-specific challenges become permanently unavailable, making these final days your last opportunity to earn those exclusive rewards.
Pro tip: Organize your stash tabs before the transition to streamline post-migration inventory management. Remove any league-specific items that won’t function in Standard, and consolidate valuable assets into organized tab structures for easier access later.
Action Checklist
- Check official timer for exact Lake of Kalandra end time
- Prioritize remaining league challenges with best MTX rewards
- Complete high-value boss encounters and mechanic challenges
- Organize stash tabs and remove league-specific items
- Prepare for The Forbidden Sanctum by reviewing new mechanics and skills
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