In the Last Days, I Will Use Imperial Weapons to Kill Zombies!

[Apocalypse][System][Modern Background][Immortal Weapon][No Female Protagonist][Don't be Deflated] What? Zombie horror? How scary is this zombie? This zombie is awesome! In the last days, zombies evolve rapidly! Special species, flying zombies! Master of hand-to-hand combat! Others' nightmares are my nourishment Doomsday mission distribution system! The ultimate imperial weapon! Cultivation realm! The ultimate elixir! The reward is only what you can't imagine, and I can't give it to you if you don't have it. I can become stronger by accepting tasks! Sir, times have changed, I have super powers and can also become an immortal! Why are you guys playing with supernatural powers fighting me? The end of the world? It's just my playground.