MTL - The Girl Who Cured the Crazy BOSS is Majestic and Mighty - Chapter 4 . Battle slag

Forge unparalleled mechs with the ambition of old age, and use the galaxy as a knife to smash the edge of the empire.

His name is Ji Xinghe. When he was 65 years old, he went to Alien Battlefield to avenge his son.

The old man is standing on the ground, his ambition is a thousand miles away, the old man wears armor, and fights to the galaxy, the old man drags his sword, it is not for glory.

- Description from novelbuddy

While enjoying the favor of a handsome man, she learned that her country was ruined and her family was destroyed. What should a fallen princess do?Xiang Ying says, of course, she should use space to her advantage, empty the palace, and leave nothing for the enemy army!As the captain of a post-apocalyptic infrastructure team, she was thrown into a book by an explosion.The enemy army entered the palace, famine was impending, and she was encircled as a prisoner of war, taking care of three children.Such a catastrophic beginning made Xiang Ying exclaim, the good days are coming!Compared to the post-apocalypse, what is this?On the road to exile, while others suffered, she enjoyed melons. When everyone else was munching on dry bread, Xiang Ying and her children were savoring sumptuous meals.Everyone grew thinner, except for the three children who remained plump and cheerful, patting their bellies and saying wildly: Mother, we can’t eat any more, really!Xiang Ying, holding hot pot, milk tea, and roast chicken, enjoyed the scenery along the road, hoarding supplies as they fled, making life more flavorful.The villainess mocked her: What use is only having food? You're still a conquered slave!Xiang Ying pulled out the Imperial Jade Seal: Right, from today onwards, I will be the Empress.The enemy army was dumbfounded; she never said the thirty thousand wanderers she brought were elite troops!On the day Xiang Ying restored her country, the man who accompanied her through hardships held her hand.Jie Chen: For the sake of our three children, can we finally become official?Xiang Ying: Men should keep to their places, not seek a title.Jie Chen: ...With the country as my betrothal, my Jade Seal and my nation are all yours.Xiang Ying: Deal! Tonight's our wedding night!

New Synopsis by a reader:Embark on a gripping journey through a mysterious fantasy world where one man's resilience is tested to its limits. He is cast into this unforgiving world with nothing to his name. Our protagonist is swiftly swept into the ranks of the Legion, where survival is a daily struggle. Amidst the chaos of battle and the constant threat of danger, he must hone his skills and unlock his latent potential, navigating a landscape fraught with peril and uncertainty.With each trial and tribulation, he discovers new depths to his abilities, grappling with a burgeoning magic system and the harsh realities of his surroundings. This gripping slice-of-life narrative blends elements of LitRPG with a captivating tale of growth and survival as our hero fights to find his place in a world where nothing comes easy and every victory is hard-earned. Will he rise to the challenge and survive amidst the chaos, or will he succumb to the perils that lurk at every turn?

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates