Xu Yi could have guessed it with his toes: Nameless One had created this supposed atmosphere of mutual distrust to pave the way for the restrictions and oaths in their agreement.
If it had been anyone else, he might have agreed to the restrictions. But Nameless One was far too mysterious and hard to read; Xu Yi absolutely refused to get tangled up with him over any restrictions.
He also knew that at this point, Nameless One needed him more than he needed Nameless One. All Xu Yi had to do was make it clear that Esteemed Official Xu had no interest in the treasures inside the Ultimate Heavenly God Hall.
Then the initiative would be his.
At a time like this, it came down to who cared less.
Nameless One had never expected Xu Yi to react this way. He barely swallowed the curses that had risen to his lips before saying coldly, "I truly don't know how I've offended you, that you should guard against me so. Looking back on the time we've spent together, I'd say I've shown you no small kindness, while you've done nothing to offend me. Why, then, can't I win even the slightest bit of your trust?"
It seems he's gone stupid from being cooped up inside the other wall. He can't even tell a convincing lie, Xu Yi thought.
But aloud, he said, "You're overthinking it, senior. Ever since a tragedy ten years ago, I swore I would never again enter into an oath with anyone. Besides, if you trust me, why care about a piece of paper?"
"Just as I trust you completely, senior. I thought you and I had no need for all these twists and turns. Making an oath would be an insult to the rare bond between us."