Quick overview
Select District Union Arena from the mission map, choose a difficulty you can clear quickly, and finish the mission through the final encounter. Any permitted difficulty should satisfy an ‘any difficulty’ objective.
Exact task wording
What the objective says
- Complete Stronghold: District Union Arena on any difficultyMission completion
Detailed route
What to do, step by step
Use this order when you are in-game. It expands the overview with the checks and choices that keep the route on track.
- Open the mission map and select District Union Arena.
- Choose Normal or another comfortable difficulty when speed is the priority.
- Matchmake or invite a group if you want to shorten the clear.
- Complete every encounter and the final boss without abandoning the mission.
- Wait for the mission-complete screen before checking the objective counter.
Key details
Before you commit
- An invaded or modified version may be treated differently if the objective names a specific mission state.
- Do not fast travel out during the final reward transition if progress has not registered.