Otherwise, it wouldn't be an Alliance but a rule.
At the very least, he had to make his intentions clear.
I, Red Moon, am here to form an alliance with you, not to rule you.
Moreover, once they went into that world, whether they escaped into the world or wandered around the chaos near the world, it would be difficult for Hong Yue to track them. This was because Hong Yue's venerable sovereigns could not easily enter other worlds, otherwise, it would be an invasion.
We're here to form an alliance, not to be invaded by you.
There was indeed an opportunity for survival.
However ... Once the Alliance was officially formed, the red moon might do a large-scale investigation, and the Alliance worlds might loosen their restrictions. By then, they would be walking into the trap!
"Are you sure?"
"I'm sure!"
King Huai nodded with certainty.