He really is serious and responsible.
In the sea breeze, Fu Qian watched the receding figure and recognized the Night Watchman's dedication.
He seems to have a high rank, had he been a bit more impatient just now, he likely would have been discovered.
Unfortunately, we still have the upper hand, having successfully inherited Old Master Camus's will.
Frank and his three friends were let go, which is obviously a final attempt to catch them by feigning indifference.
Without confirming who had issues, letting the targets think they are in a safe environment to covertly observe if there are any abnormalities is a quite reasonable tactic.
And after still not finding anything unusual, considering that Frank was the first to come forward, the Observer showed up in person, giving him a bit more of a test.
Now, I should be temporarily out of the Night Watchman's sight, Old Master Camus's plan of escaping without a trace really isn't bad!