Obviously, he knew they'd feel that something was amiss but it wasn't like they could do anything about it.
From Duke Leto's perspective, though he knew he was being played, he also couldn't deny that a group of Golden path cultivators in his city, without his knowledge, was very strange.
And from the perspective of the group that had been following Adonis, well, what could they do except defend?
Of course, they could run but would Adonis allow them to?
The very first ability Adonis had gotten from his eyes was the ability to see emotions as colours and slightly manipulate them.
Using this ability, he forced both parties into a trap they had no choice but to willingly walk into head first.
***
Adonis had only made one singular mistake.
A single mistake.
He hadn't accounted for the possibility that maybe, Patriarch Aksal wasn't the only one after him.