I can upgrade the shelter - Chapter 76: The Oxygen Production System of the Official Shelter

The Great Human Civilization has crumbled apart, falling into the Abyss. A hell with no escape. To survive there, some rules must be followed blindly.1: Be wary of the dead for they don't rest even in death.2: Always be on the lookout. Danger lurks everywhere in the Abyss. Nowhere is truly safe.Lastly, if you hear something unusual like a voice that shouldn't be there, do not investigate. Just run. At least then you might get to keep your life.***Kev's adult life was suddenly upended when he was pulled into a nightmarish world along with countless other humans. To survive he had no choice but to perform a ritual he chanced upon through a series of inexplicable events. The ritual promised great power. He gave in to the temptation, performed the ritual and stepped into the realm of mysticism. At the same time, he unknowingly put himself at great risk. Since the moment he performed the ritual, He faced the risk of losing his humanity or himself entirely.He didn't know then that performing the ritual demanding a great price. By the time he realized it, it was already too late to turn back.You have performed a Great RitualGained class:- Corpse Collector in the DarkTrait unlocked: esoteric mutation of the soulGained skill: shadow manipulationAssimilation rate: 0%Collect corpses to growIncrease in assimilation rate unlocks new skillThe power comes with a great pricePay it obediently like a law abiding Abyss Dwellers or risk losing yourself to the evil brewing within...

Lin Yuan traveled through time.What? The life-saving pill was replaced with a piece of candy by someone?I only want a peaceful life, so why are you forcing me!No martial arts technique? I'll let Jiu Zhang deduce it!No old master by my side? I'll catch one myself!Finally, after swallowing the opponent's ancestor in one go, Lin Yuan sighed: “No one can force me anymore.”

Magic finally reached planet earth, but it was not like we expected. It came in the form of mystic energy!

After the age of awakening, all living things finally entered the path of evolution.

Mystic Beasts invaded earth, destroying the world as we knew it, but we survived as we finally gained the ability to utilize the energy that the beasts came with.

Mystic Warriors were born, and humanity finally found a moment of reprieve, but the Mystic Beasts were still winning.

Rex Vector, an apparently mystic energy-deficient sword genius who lost everything to the war turned out to be the last inheritor of an Ancient Bloodline.

On fully awakening his bloodline he was granted a system and his whole life changed for the better.

Life held much more in store for him though as the contents of his first system mission revealed a reality to him that he wasn’t sure he wanted to accept.

[You are hungry!]

[You must drink human blood within 24 hours!]

[Penalty for mission failure: Death!]

An ordinary young man on earth, Xia Feng, traveled to a world of sword and magic, and took the body of Lucien Evans, another ordinary young man.