From Guild Wars 2 Wiki
Defeat the enemy team to win! In overtime, healing and stealth are disabled and the map will slowly be covered by deadly fog.
— In-game description
If the match goes into overtime, several secondary mechanics activate:
- In overtime, healing will be disabled and you will be Revealed to disable stealth.
- The map slowly fills up with a green field from the sides towards the center. This field will deal damage equals 20% of the maximum health to anyone in contact with it.
- The area under the plateau in the middle will fill up with a slowly expanding field that deals damage.
- This map can only be played on custom games. It is not in the ranked or unranked map selection.
- Added to the game with the August 13, 2019 game update.