Come to the End and Open the Treasure Chest

You start with one person, a knife, and all the equipment depends on fighting! "Ding! Congratulations on opening the bronze treasure chest and obtaining the bronze scalpel." "Meow meow meow?" "Ding! Congratulations on opening the silver treasure chest and getting the silver surgical gown." "Nah, are you asking me to operate on zombies?" "Ding! Congratulations on opening the mysterious treasure box and obtaining the exquisite Qinglong Yanyue Sword!" "Holy shit!" This is a story about opening treasure chests and massacring zombies in a doomsday world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.