Quick Transmigration, but It's a Roguelike Hack-and-Slash

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Zhuang Rui's job is to clean up anomalies in different worlds. Her assistant System is a hack-and-slash power fantasy game System.

[Modern City C-536487 (Zombie Crisis)]

A virus falls from the sky, zombies evolve at an astonishing pace, and human civilization quickly collapses.

Until a survivor appears out of nowhere, with eight blue-flame Gatling guns floating all around her. Wherever she goes, hordes of zombies are wiped out.

[Magic X-93645 (Dark Forces)]

Dark forces spread, turning countless humans and animals into monsters, while the great mages struggle to hold the line.

Until an apprentice appears, protected from every angle by a magic array and able to instantly cast ten forbidden elemental spells. Every monster becomes her nourishment.

[Ancient Era F-842367 (Heavenly Demon Descends)]

A crack splits the sky screen, and heavenly demons invade. The martial world and the imperial court join forces to fight back, but their martial prowess is too weak to stand a chance. All living beings become food for the demons.

Until a low-level helper appears, cultivating alchemy, arrays, talismans, artifacts, swordsmanship, and music all at once, surrounded by all kinds of weapons and formations. One furnace sucks up the heavenly demons from nine towns, and one sword clears half the sky screen.

Zhuang Rui: Work's going smoothly. Got promoted and a raise. Over.

Theme: Work hard for the life you want.