What the official listing confirms
The official listing confirms ranked stage performance and a 54-stage structure without publishing permanent S-rank thresholds.
Use this as a controlled first-session test
Keep the same stage and loadout while changing one route segment. Treat visible in-game scoring as the source for current thresholds.
- Record the stage and loadout
- Mark the first lost chain
- Change one route segment
- Compare the score
- Verify thresholds in-game
Keep the answer current
Kusan: City of Wolves is in its launch window. Verify patch-sensitive values in the current build and record the date before treating a route, build, or requirement as permanent.