Apocalypse Immortal: My Proficiency Is Ridiculously Overpowered

When zombies overrun the world, most survivors cling to scraps and pray for dawn. Su Lin? He's grinding levels with a bone-cleaving saber. Every kill triggers a floating notification: "Basic Saber Technique Proficiency +1." While humanity crumbles, his blade work evolves from crude hacking to celestial artistry. One swing splits the sky in a galaxy of light—techniques that belong in cultivation legends, not a zombie apocalypse. Stunned onlookers stammer, "Wait, are we in the apocalypse or a xianxia novel?" Su Lin just smirks and sheathes his weapon. "Relax. My proficiency's only a *billion* po…