C4995 Seduction
The plan was set.
However, before that, they had to dive into the deepest part of the cave where the Secluded Float Deputy General was, and set up a trap in the deepest part of the cave.
That was the most convenient and safest method. If a trap was set at another place, the other party might discover that something was wrong and escape immediately.
But in the depths of the underground cavern..