The five great Characteristic Technology civilizations of The Great Voyage Organization were all browsing the records left behind by the Battle Immortal Civilization. The Gonyatu Empire had preserved this information very well; they probably knew these things had to be remembered.
In the database files, The Great Voyage Organization saw records like this.
When fleeing proved impossible, a massive breakout operation began, led by the Battle Immortal Civilization and the Precursor flagship. The two flagships carried out preemptive strikes, then the other elite civilizations within the group moved in and out, launching death charges against the Boundary Breakers.
With its extraordinary mobility, the Precursor used Quantum Macro Tunneling jumps to approach the Boundary Breakers, then struck with the Space Cutting Weapon, which had the highest killing efficiency.
The Battle Immortal Civilization frequently activated its Dimension-Ascension Weapon, using the power of dimensional rules to target the Boundary Breakers.
These were the two most effective methods the Precursor Voyage Group had used against the Boundary Breakers back then, especially the Battle Immortal Civilization's Dimension-Ascension Weapon.
Although the Boundary Breakers did not interact with Electromagnetic Force in any way, the rules of four dimensions were not limited to changes in things like the force range and torque of Electromagnetic Force. Various gravitational parameters would change as well; the most intuitive example was that the inverse-square law would become an inverse-cube law.
That alone was enough to reduce the Boundary Breakers to ashes.
And according to the descriptions in the files, the reason the Precursor and the Battle Immortal Civilization's voyage group had successfully broken out was precisely these two Characteristic Technologies.
After reaching the central black hole region of M87, the voyage group began an era of fighting with the black hole as their foundation.
In their description, the Boundary Breakers eventually caught