Don't even mention being close to losing control over 85; even when it exceeds 70 and enters the high pollution state, there's only survival records of using life-saving items to jump half way.
The intelligence Wu Chang can access shows that Silent Route is a dungeon on a passenger ship, which will eventually sail to a special Silent Sea Region, where a dangerous ritual takes place.
As for the details, he has not purchased them, as each piece of information costs at least 5000 Rotten Silver Coins.
When he can't determine the next dungeon, just freeloading some background information is enough; purchasing detailed intelligence is too extravagant for him.
The majority of intelligence about Silent Route comes from its Projection Dungeon.
The Projection Dungeon is convenient for collecting intelligence, but there's a problem: it reflects a certain moment of the True Dungeon, and it might not be the current progress.
