To prevent similar incidents from happening again.
Aside from the Black Hole Gates built by the Federation itself, as well as those of the former Knox Empire and Dasaross Empire.
Lin Fan even ordered the destruction of those Black Hole Gates within three thousand Black Hole Cavity Realms of the Federation—the gates belonging to the batch of Sweepers they had previously eliminated.
Now that he clearly understood that the other side was an Eighth Order Black Hole Civilization, Lin Fan had no intention of confronting them head-on just yet.
After all, in terms of technological strength, they stood at the same level as Luo Li.
Most importantly, the Federation was only theoretically an Eighth Order Black Hole Civilization, while the Tianshu Church was truly an Eighth Order Black Hole Civilization.
Therefore, Lin Fan needed more time to close that gap.
Destroying those Black Hole Gates was the first step in buying himself time.
As for the second step, it was to establish an isolation zone for the Alliance while the Tianshu Church was temporarily unable to reach them.
Closing the borders and locking down the nation!
As for how the isolation zone would be established?
It was actually very simple: use the most brutal method possible and destroy entire Black Hole Cavity Realms.
It had to be understood that Black Hole Cavity Realms were separated by Black Hole Gaps. The essence of a Cross-border Channel was to open temporary breaches in the realm walls of two Black Hole Cavity Realms, while simultaneously establishing a passage through the Black Hole Gap that connected those two breaches for fleets to pass through.
Back when the Federation encountered its first Sweeper, the Knox Empire, it had used a counter-transit tactic. While the enemy was still inside the Cross-border Channel, it destroyed their Cross-border