This Cursed Script: Everyone's a Powerhouse, Except Me, the One Laying Low

When those who transmigrate into a book, the reborn, and those who transmigrate all gather together and turn the original story into a battleground, there's only one good-for-nothing passerby, silently bringing out her Zombie Taoist Priest System and deciding to lie low until the end of time. Then the world-ending tide of Corpse Kings arrives, and just as everyone despairs, she slowly rises to her feet. "Sorry, I can't hide it anymore... Open the coffin, carry out the corpse, salute!"