The Illegitimate Flame: Bride of Ashes - Chapter 16- rule

She is the slow-witted idiot of the Prime Minister’s Residence. Everyone bullies her. He is the most respected and unfeeling Prince, with frightening ability and absolute envy! Together, they are conferred an imperial edict of marriage.

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.

Heaven Concealing Great Sage Xie Chuan was plotted against by his enemy. Trapped within the God Burial Valley, he found a supreme martial technique hidden in a tomb called Demon Refining Heaven Swallowing technique.

Millions of years after the betrayal, reincarnated in a direct disciple’s body belonging to a small sect named Cloud Mist Sect, Xie Chuan finally broke out and escaped from God Burial Valley.

“In my previous life, I had only concealed the heaven with my hands. This life, I want to refine demons and swallow the heaven!”

The heaven swallowing expert who walked out of God Burial Valley was just born!

- Description from Novelupdates

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates