Please take a look at this robot, I'm begging you—it's really amazing! (Trailer)

Primordial Era: The era before humanity established the Old Empires, spanning from the birth of humankind to the founding of the First Star Sea Empire. During the time period when this story takes place, almost all historical records of this era have been lost, leaving only scattered fragments and speculations from later generations. Estimates of its duration vary drastically; the mainstream view holds that it lasted approximately one million years. (Old) Imperial Era: Spanning from the founding of the First Star Sea Empire to the fall of the Sixth Star Sea Empire. The First to Sixth Star Sea Empires are now collectively referred to as the "Old Empires." In reality, each had its own official name, but some have been forgotten—even the surviving names only appear in a handful of formal documents. Overall, the Imperial Era was humanity’s golden age: humankind thrived across the stars, our footsteps reaching countless superclusters. Our technology was incomparably advanced, nearly reaching the limits of human understanding, and archaeology and the collation of existing knowledge became the primary tasks of the academic community. To sustain such a vast empire, we began constructing massive engineering vessels to disassemble stars into hydrogen fuel, which was then fed into fusion reactors to generate energy. The empires also experienced their own cycles of glory and decline, dynastic changes that led to economic and technological regression as well as harm to civilian life—such as the "Hundred-Century War" between the transition of the Second and Third Star Sea Empires. It is currently believed that the Imperial Era lasted approximately 6.3 billion years. Dark Era: Spanning from the fall of the Sixth Star Sea Empire to the establishment of Lighthouse Star. As the Imperial Era dragged on, the once seemingly inexhaustible stars were consumed entirely. In vast regions, stars that emitted light had been dismantled: their previously emitted light had long since left these areas, while light from distant stars, constrained by the speed of light, had not yet arrived—condemning these regions to eternal darkness. Such areas became known as "Light Tombs." The Sixth Empire fell amid this crisis. Afterwards, though many warlords proclaimed themselves emperors and ruled over numerous star systems, the prosperity of the Imperial Era was never restored. The Dark Era lasted approximately 700 million years. Lighthouse Era: Spanning from the establishment of Lighthouse Star to the present day. Throughout the Dark Era, countless attempts were made to escape the Light Tombs, but due to technological regression, it was not until 700 million years later that a group of humans succeeded. They discovered a star—now known as Lighthouse Star—and built settlements around it. They implemented strict population control to reduce resource consumption and once again deployed engineering vessels to disassemble stars. However, this time was different: instead of squandering the energy as in the Imperial Era, they stored the hydrogen fuel and slowly injected it into Lighthouse Star, preventing the star from burning uncontrollably and wasting the fuel. These hydrogen reserves could sustain them for trillions of years—but what comes after that? Thus, they revived their technology, regaining the prosperity of the Imperial Era, and continued to climb slowly and arduously, striving to find a way to make human civilization endure eternally—even longer than the universe itself. Technology Warp Technology & Teleportation Technology: These technologies were discovered by humans roughly in the early Imperial Era or late Primordial Era. Warp technology allows starships to travel through space at dozens of times the speed of light; depending on the strength of the warp engine, each jump can cover several astronomical units to dozens of light-years, with cooldown times ranging from minutes to years. Teleportation technology enables the creation of teleportation gates between two locations—objects passing through one gate instantly appear at the other. The cost of manufacturing and maintaining teleportation gates is extremely high, so the gate network was often abandoned during the Dark Era and periods of war in the Imperial Era. Warp Weapons & Anti-Warp Weapons: These weapons evolved alongside warp technology. Obviously, via warp technology, we can directly bypass enemy warships’ armor or shields to deploy weapons—such as bombs, crew, or toxic gas—directly into the enemy’s hull, inflicting devastating damage. To counter such weapons, we developed anti-warp devices: these "encrypt" space within a certain radius, allowing only friendly ships to use warp weapons in the area. Of course, this encryption can be cracked by enemies, which boils down to a contest of computational power between opposing vessels. Starburst Device: An extremely terrifying weapon with a relatively low cost, prohibited by numerous treaties. Its use signifies the total outbreak of all-out war, inflicting irreversible harm on human civilization. Some nations would rather be annihilated than deploy it. Its principle is surprisingly simple: launch one of a pair of teleportation gates into the core of a star, and open the other at the target location. When the gates activate, matter from the star’s center is instantly sucked into one gate and ejected from the other. Under gravitational pull, the star’s outer layers rush to fill the void—only to be teleported away as well. The detonation site is engulfed by a massive surge of stellar matter, unleashing destructive power comparable to a supernova explosion. Meanwhile, the star itself becomes unstable and detonates. Starships Capital Ships: Typically equipped with numerous conventional weapons and heavy armor, Capital Ships engage enemy large/small support vessels and other Capital Ships. Flagships: Flagships are equipped with anti-warp devices, capable of encrypting the space around friendly fleets to block enemy warp weapon attacks. Flagships do not usually handle computational tasks; instead, they aggregate data from friendly Large Support Vessels and convert it into space encryption effects. As the core and hub of the friendly anti-warp system, each fleet has only one Flagship. To coordinate such vast amounts of data, Flagships are extremely large—and our most powerful weapons happen to require massive hulls for installation. Rather than building dedicated vessels for these weapons, mounting them on Flagships is significantly more cost-effective. Thus, Flagships are armed with powerful main cannons; each firing almost guarantees the destruction of an enemy Capital Ship or Large Support Vessel. However, the Flagship’s primary role is not offensive—beyond its main cannon, it typically has no other weaponry. Large Support Vessels: Responsible for processing computational data and transmitting results to the Flagship to maintain the integrity of the friendly anti-warp system (preventing enemy decryption) while attempting to crack the enemy’s anti-warp system. In most cases, Large Support Vessels lack conventional weapons but feature heavy armor and are equipped with numerous warp weapons. Once the enemy’s anti-warp system is breached, they can efficiently annihilate enemy fleets. Small Support Vessels: Act as nodes of the friendly anti-warp system, similar to utility poles, amplifying and extending the effects of the Flagship’s anti-warp devices to cover the entire fleet’s operational space. Small Support Vessels possess limited computational power, allowing them to form independent anti-warp systems in emergencies—though such systems are easily cracked. Attack Ships: Small in size and weakly defended, but boasting exceptional stealth and maneuverability. Attack Ships are only armed with conventional weapons. They rarely participate in large-scale fleet battles; instead, they harass enemy fleets—using stealth to approach, inflict massive damage in a single strike, and then immediately warp away. Due to their small size and large numbers, the cumbersome weapons of Capital Ships struggle to target them effectively. Fleets composed of Attack Ships are usually accompanied by one Small Support Vessel: even though its anti-warp system is quickly cracked, the delay buys just enough time for the Attack Fleet to warp to safety. Destroyers: Highly maneuverable, small in size, and balanced in offensive and defensive capabilities. Destroyers were developed specifically to counter enemy Attack Fleets. Fleet Combat During fleet engagements, Capital Ships and Flagships focus on attacking and destroying enemy Large Support Vessels and Capital Ships. When the number of friendly Large Support Vessels significantly outnumbers the enemy’s, we gain the ability to crack the enemy’s anti-warp system—then use warp weapons (far more destructive than conventional arms) to annihilate the enemy fleet.