Bungie has set out its plans for Marathon ahead of the Symbiosis update, due on Dec. 8. The near-term Nightfall refresh will reset progression and add a new rewards pass, while December’s update is set to bring a permanent PvE mode and team deathmatch.
The upcoming Nightfall refresh will reset player progression and add a battle pass with NuCaloric rewards. Sponsored modes will run on weekends from Thursday through Monday. Vault Breaker mode is due to arrive from the third week.
Bungie is also making changes to Runner shells and weapons. The published report did not give details of those adjustments.
The Symbiosis update is scheduled for Dec. 8, 2026. Bungie says it will add Marathon’s first permanent PvE mode, a new Runner shell called Bishop, team deathmatch and an Those plans align with Bungie’s roadmap, which also lists permanent PvE and Team Deathmatch among the December additions.