I Can Upgrade in the End Times

The invasion of the Tyranid Zerg has plunged the earth into panic. Countless legendary creatures have appeared on the scene. Humanity, which has been blocked by technology, has set its sights on extraordinary power while struggling to survive. "What about the emperor-level Holy Lord? I am a three-time reincarnated super insect mage. Suffer death! The Abaddon-level blazing sun collapses!" This is the story of a human being with Tyranid blood in his body who survives in the apocalypse.