Shadow of the Abyss - Chapter 9: Mana

This is a story about Gong Lixin who was the young master of an ancient underground palace in the ancient times. He was raised by his master and forced to partake sexual relationships with numerous people to cultivate his Yin Body. His master who has a Yang Body was going to absorb him after he has reach a level to become stronger. MC refused and killed his master also dying at the same time. Then he transmigrated to the modern time and thinking he will enjoy peaceful life, the end of the world arrived.

Being someone with no special powers except for his martial arts, see how he use his martial arts to dominate the times and find his lovers.

- Description from Novelupdates

Kim Taejune, wanted to be a “hero,” a “savior” to all the weak. After reading books about them, he too wanted to be one. Yet he lacked power, he didn't have any skills, and the command system everyone else had but one day, his dream will come true. His path leads him to encounter Yoon Harin a woman who after the death of her twin younger brother Yoon Jiho was transmigrated into his novel, “Calamity Hunter” the “god” of this world makes a deal with Yoon Harin to bring her brother back to life IF she can survive as a savior till the end.

“Reincarnated into the World of Magic as a demon, the last thing Davis expected was to grow up right amidst the arms of angels. Ever since the group of philanthropic angels took pity on his miserable birth and adopted him, Davis has been forced to keep his evil identity a secret while he signed in to the system.

“”Ding! The Host has signed in at Angel’s Pond, ‘The Saint’s Halo’ is rewarded!””

“”Ding! Devil’s blood activated. Sign in error. ‘The Devil’s Curse’ is additionally rewarded!””

“”Ding! The Host has signed in at God’s Throne, ‘Gold’s Holy Axe’ is rewarded!””

“”Ding! Devil’s blood activated. Sign in error. ‘The Devil’s Manifistation’ is additionally rewarded!””

After a thousand years of quietly signing into places in the City of Angels and being rewarded with double the rewards, Davis’s true identity finally came to light! Now as a true Devil, Davis had both the world of angels and demons surrendering at his feet!”

Have you often come across a game where you start with a bonfire, surrounded by ice and snow, with resources all manually transported, and monsters attacking at any time...Xia Hong wakes up to find himself in such a world.The ice and snow rage on, beasts rule the land, civilization is lost, and all people and things that once existed have been invaded into powerful and bizarre entities, leaving humans as a humble race surviving in the shadow of winter, on the brink of extinction.Fortunately, Xia Hong possesses a camp system that can upgrade infinitely.[Small Bonfire]—[Iron Furnace]—[Solar Cauldron]...[Wooden Post]—[Training Ground]—[Martial Arts Hall]...[Bamboo Fence]—[Black Soil Wall]—[Iron Wall]...[Monument Stone]—[Notice Board]—[Hero's Monument]......As Xia Hong slays the beasts and exterminates the bizarre entities, gradually gathering humans, dispelling the winter, and opening up territory, the mysterious veil of this world is slowly unveiled in its entirety.