MTL - Universal Sword God - Chapter 3716 Depletion cycle

Renji Kurozawa was just another nobody—until he died and was reincarnated in a world of swords and magic. Summoned alongside other “Chosen Heroes,” he hoped for a second chance at life.But his gift was different. “Death Claim”—the power to steal abilities from those he kills.Betrayed by his allies and left for dead, Renji embraces his dark power. With every enemy he slays, he grows stronger, turning from a forgotten outcast into the most feared force in the kingdom.Now, hunted as a villain and pursued by gods, Renji must carve his own path—one kill at a time.If fate wants a monster, he’ll give them one.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

One hundred fifty-eight years have passed since humanity first spread beyond the bounds of Earth. It has been two years since we made first contact with an alien race. Two years since the war began. A war we are losing.We have been driven back to our last bastion, Earth. Our colonies lie in ruins, our fleets decimated. Our enemy is at our doorsteps, and soon our fortress may fall, but we have one last hope. A new ship that may change the tide of this war, and provide salvation for our race. That ship is humankind’s first ship capable of breaking the lightspeed barrier and bringing the fight to the enemy. Will that ship be able to save our race? Or is she doomed to fail?Note: This is a rewrite of my Earlier work Nomads of Sol.

A cell that was born at the beginning of the life of a planet will see the rise and decline of countless civilizations, the speciation and extinction of organisms. Under the endless calamities of the world, nothing remains unchanging. Only by continuously changing oneself and evolving in the face of adversity could one achieve perfect victory.

The story starts from a little cell…

- Description from Novelupdates