At present, battling with the undead to such a point, no matter what, the organization would not abandon the victory it is about to achieve, especially after paying such a heavy cost. Under such circumstances, no matter what hidden cards the undead have, the organization will do their utmost to annex them.
Even though they did not believe that the undead could truly seal the spatial passage, facing the actions of the undead, they still had to make some preparations.
Firstly, the organization had strengthened the defense line in front of the spatial passage. They intended to obstruct the actions of the undead as much as possible. However, judging from the results, the undead dispatched were too fast, and the defensive line set up by the organization did not play much of a role.