It was infeasible.
Although no manager intervened, one must never forget the deity that appeared after the Clan War had ended.
The deity wouldn't constantly watch over this place, but if there were no decisive victor after a certain time, the deity would likely make an early appearance. Judging by the deity's temperament when the Immortal King clashed with them, the Human Race would suffer by that time.
In plain terms, the Human Race was merely taking advantage of the manager's absence to deceive these five informationally lagging clans.
Qin Chuan had been discreetly observing the reaction of the Blue Moon Chief Priest while speaking. As the representative of the clan most eager for the start of the Clan War, the Blue Moon Chief Priest showed surprise when Qin Chuan proposed to delay the battle for tens of thousands of years but showed neither anxiety nor anger.
The other party was well aware that the Human Race couldn't achieve this.
