For the next two years, the relationship between the two civilizations remained peaceful.
However, information about the Zerg's existence eventually reached the Starsea Alliance.
Not long after, a species covered in black chitin with round heads used the Kawi Civilization as a stepping stone to communicate with the Zerg.
The other party requested to send a fleet to inspect the Zerg civilization's status, which was flatly rejected.
In truth, the Zerg's growth over these two years was fast enough to terrify the current Kawi Civilization.
On the surface, it seemed the Zerg only had that small fleet on the front lines, but behind the scenes, the number of Small Leviathans being produced was constantly increasing.
During the first year, they produced an average of one ship per month.
By the second year, because the energy obtained from the creep had increased significantly, the production rate rose to two ships per month.
This speed actually affected the upgrade progress of the Hive to some extent.
The reason Xia Jin prioritized production was because she now knew the strength of the Kawi Civilization.
Xia Jin's projection on their planet had seen their specific combat power through the news.
A single spaceport on just one of their planets housed as many as forty warships.
Considering that each of their ships was likely no weaker than those of the Zerg, an insufficient number of units would be fatal for the Swarm.
If war truly broke out, it would be too late to start production then.
Conversely, if she had dozens of ships, even if she could not win a direct confrontation, she could use the numbers to stall and prevent being wiped out in a single wave.
When the total fleet size of the Zerg reached fifty two ships, including one leviathan per star system, Xia Jin finally felt a bit more secure and shifted her focus back to energy reserves.
Compared to two years ago, the Zerg were no longer the same, yet their overall development remained cautious.
They did not expand toward the Starsea Alliance but instead set their sights on the outer reaches of their current star system.
Furthermore, she began to perform deeper optimizations on the current Zerg fleet.
Xia Jin ordered Brain Bug No. 1 to conduct new research to improve the efficiency of current Zerg units.
She required that energy be rapidly transferable between different types of Zerg.
After studying more ordinary species within their occupied territories, Brain Bug No. 1 achieved a breakthrough.
Naturally, this result also included findings from the research on the World Tree leaves.
【Rapid Transformation: Zerg main units can be obtained without hatching from larvae. Different combat species can transform into one another through gene replacement. Although it consumes twice the energy of a normal unit, it allows for transformation into other types in an extremely short time, quickly forming combat power. Rapid Transformation may allow for the modification of organs in ship type Zerg, making organs interchangeable between different hulls.】
Overall, this improved the compatibility of biological parts.
It was like if a car engine exploded, but its other components could still be salvaged and used in another vehicle.
However, the Zerg's Rapid Transformation clearly went beyond that.
It allowed one type of bug to quickly turn into another.
For instance, if a zergling on the battlefield lacked long range power and there were no conditions for hatching, one could invest double the energy required to hatch a hydralisk to quickly transform that zergling into one.
On the surface, this behavior seemed highly inefficient.
But it immensely strengthened the Zerg's combat adaptability.
If a certain unit type was targeted or countered by the enemy, it could quickly change into another type of dangerous unit to turn the tide of a disadvantageous situation.
The research into Rapid Transformation benefited all Zerg.
Compared to the Zerg of the past, this was a major breakthrough.
This research could be considered the highest achievement of the current Queen, Xia Jin.
While there would certainly be better research in the future, Xia Jin had undoubtedly changed the Zerg.
As the Swarm rapidly improved and underwent internal reforms, something finally happened on the side of the Starsea Alliance.
The Kawi Civilization was attacked.
They immediately reached out to the Zerg for assistance.
Xia Jin used the excuse that "our fleet cannot arrive quickly" to stall for time.
She stated that the Zerg home planet was too far away and they could not cross hundreds of light years to send a fleet in a short time.
In reality, the Kawi Civilization had no way to refute this reason.
They truly did not know where the Zerg home planet was located.
The force communicating with them was indeed just a vanguard of the Zerg.
Of course, this also exposed the fact that the Dulu home planet was not the Zerg home planet at all.
But that no longer mattered.
While the Kawi Civilization was in conflict with other unknown civilizations from the Starsea Alliance, Xia Jin dispatched her entire fleet to launch an attack on the other two Dulu planets.
The strength of the fleet this time was far greater, making the entire operation an overwhelming success.
The subsequent landing battles were also handled beautifully.
The method of warfare had not changed much, but the number of landing troops deployed was double what it had been in the past.
Furthermore, to increase efficiency before the actual assault, the Zerg utilized orbital bombardment for the first time.
They dropped a total of 200,000 nuclear bombs with a 100,000 ton yield, essentially plunging the Dulu on that planet into a hellish nightmare.
During the ensuing invasion, the Zerg did not rush their advance. Instead, they conducted various coordination and tactical tests, verifying and applying the new results of Rapid Transformation.
Zerglings, the cheapest fodder unit, received further improvements, enabling them to spit out a sharp tongue from their mouths that acted like a drill, easily piercing through alloys.