MediumConfidence: 0.95
The Abyss Stares Back
Entered a Battle Dungeon 3 times.
Global unlock
41.0%
Sign in through Steam to see whether you've unlocked this and when.Sign in through SteamThis site is not associated with Valve Corp.
What to do next
SourceEnter any course three times from the Battle Dungeon menu at the Shinsengumi barracks.
You do not have to clear anything — only the number of entries counts.
Repeating the early Bandits' Cave fills it quickly.