I am, Flame-Chaser of Previous Era - Chapter 25: Far East Branch

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

———【Holy Sword】

———【skill】

———【blessing】

As a brave summoned to another world, Shien is basically invincible.

The goddess told him: “You are the one who is most likely to defeat the devil.”

The princess told him: “I have never seen a foul man like you.”

Even his teammates said: “How about you go to build a country?”

Unfortunately, Shien is so determined to walk his own path.

“I want to be an adventurer, fight monsters without risk and upgrade, and then sneak to defeat the Demon King after i have achieved the max level, and hide my merit and fame.”

However, the Demon King does not necessarily have to be defeated, in fact, it can also be…

Cassian had lived his life in the most miserable way. He had scrubbed the floors and washed the clothes in the cold winter and done everything just to please his uncle’s family, but in return, they sold him to a merchant only for a pouch of coins.And the merchant decided to gift him to the king of Aetherlyn, a faraway kingdom from his small village to show his loyalty and curry favor from the king. And he was the lucky one from the group to be choosen by the king. Thus he got the position of palace servant.Cassian thought maybe his life in the palace would be different, but he was bound to be disappointed as the people in the palace were far more sinister and ruthless. Scheming ran in their blood.And can anyone tell him why his path always crossed with the notorious first prince of the kingdom? The seemingly cold prince had an unpredictable temper. And why was he always drawn to him like a moth to a light?Will Cassian be able to survive in the palace where the true faces are hidden behind masks, or will he become more entangled in their schemes and just become a mere pawn in their game?

A serious accident caused the protagonist’s brain to have an unusual mutation. This changed the brain development that it opened the door to a mysterious universe. Not only he obtained a ‘god-like’ powerful telekinetic control and mental perception, he also had an abnormal analysis and memory capability comparable to super computer. Having such super brain, his rough life began.

Brain development progress 10%…….20%……50%….80%…. …100%

- Description from Novelupdates