To knock your head

For Nereus Henry, Bluejay Hill is still trustworthy.
At least he performed well today.
Nereus Henry Rui, who was very familiar with the terrain, knew clearly how difficult it would be to get here within half an hour, and even he might not be able to do it.
The reason why Nereus Henry gave this order was just to test Bluejay Hill. If he was late for ten minutes, there would not be any problem, but Bluejay Hill miraculously arrived at the scene within half an hour, which was enough to show...