The key was that he had a heart oath. Even if he went back on his word, it might not really affect Lin Yi's profits.
After all, the rules were bound to Lin Yi.
To some extent, Lin Yi was like the legal person of this rule, and he received more recognition from the Heavenly Dao than the House of Protectors.
On the other hand, even though his Duke Protector's Public House controlled the operation and maintenance of the rules, it was at most a team of professional managers at the Heavenly Dao level.
It was true that legal entities bore greater responsibilities. Once something happened to the rules, the legal entity would be the first to suffer.
However, it was precisely because of this responsibility that the corresponding rights and interests behind it were more likely to be prioritized by the Heavenly Dao.
To put it simply, if Zhangsun Sheng broke his promise, he would lose the rights to the rule and benefit Lin Yi.
