Blood Titan System - Chapter 206 Double Super-Cell Gene

He shall call forth the bone dragon! Summon the lich and the grim reaper! Li Jiayu, the dark summoner, has been reborn and everything returned to the moment before the outbreak of the devastating apocalypse.

Spaces tremble violently and dimensional cracks connected to various worlds appear! In an instant, never-seen-before civilizations invade our homeland. Insects the size of humans and walking corpses sweep through Earth in legions. An imminent crisis is approaching humanity and billions of human lives are at risk!

In regards to Li Jiayu’s uncorrupted soul, his summons shall no longer be limited to creatures which lurk in the darkness. They will also include the entities that bask in the light.

Under the lingering shadow of death, he vows to prevent a repeat of past tragedies!

Struggling within the exhausting apocalyptic world, he chooses to trudge on the bloody path of slaughter.

Walking hand in hand with death, he no longer lives under the cold embrace of the darkness. He shall embark on the bright path towards glory.

‘This is an opportunity to make a comeback… I will put everything on the line to right the wrongs and to protect the loved ones that were once lost.’

- Description from Novelupdates

Once upon a time, the Land of Promise thrived under the cycle of the four seasons change. Until a vengeful enchantress cursed the land, and divided it into four realms each with a ruler to bear its burden.The people suffered for years under the endless heat in the Summerlands, the bitter cold in the Winterlands, the never changing bloom in the Springlands and the constant fall in the Autumlands.A prophecy whispers of a marriage between a king and queen that will release the land from its curse and unite it under a single kingdom.Princess Caroline is forced to marry the Summer King, will she be able to fight for a peace amidst a court full of power hungry nobles and will she succumb to a burning love in the arms of a fiery warlord?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

On an ordinary day, Lucius stumbled upon a strange, run-down shop. At first, he assumed it was abandoned—until he stepped inside.[You have entered the Universal Alchemy Store.][Congratulations! You are now the store’s owner.][Please craft your first potion.]Lucius blinked. 'What kind of joke is this?' But as if guided by an unseen force, he followed the instructions. Minutes later, his first creation was complete.[Love Potion: The drinker will fall in love with the first person they lay eyes on.]Lucius swallowed hard. 'Wait… does this actually work?'Before he could process it, the shop’s door swung open.Standing in the entrance was no ordinary customer—she was an elf. Long, pointed ears, mesmerizing green eyes, and a body sculpted by the gods. A visitor from another world.A dangerous thought crept into his mind.'Should I test it on her?'