From the Start, I Fused with the Swarm Heart and Became a Zerg Calamity

[Swarm + corruption + revenge + villain protagonist + mass production of troops + evolution + battle for survival]

At the end of the twenty-first century, Blue Star enters an era of invasion by monsters from another world. Life is hard for the transmigrator Ling Zhentian, and then his own birth mother tricks him and tries to kill him. After harvesting his organs, she dumps his body in the wilderness.

Unexpectedly, Ling Zhentian's corpse is found by Abathur, a Zerg cerebrate. After successfully merging with the Heart of the Swarm, he becomes the Zerg's new Overmind.

Once he becomes the Overmind, Ling Zhentian kills his birth mother with his own hands, then kills his younger brother to prove his path.

He grows cold and merciless. As he expands the swarm, his own body gradually becomes more powerful.

Meanwhile, Cerebrate Abathur keeps incorporating the genetic sequences of various creatures to evolve the swarm, making it ever more lethal.

Ling Zhentian looks down upon all living beings with icy eyes. "I became a monster. I became the swarm!"

"The world will burn beneath my feet!"

Blade Queen Shangguan Ying: "I saw many things in the Overmind, but there was one thing I could not see."

"Mercy!"

Monster leader: "The swarm is evil, a disaster, but orcs will never surrender!"

Human city-states: "We hold the truth and are utterly loyal. We swear to drive the swarm from our home!"

Advanced civilization: "The swarm destroyed our home, but it cannot destroy our will. We will rise again!"

But as the swarm's rank rises, its numbers grow ever greater, and its unit types become more diverse.

In the end, even the living mothership Leviathan becomes part of the swarm, filling the starry sky.

Everyone: "We've learned our lesson. Please spare us!"