MTL - Divine Brilliance - ~ 1111 Still useful?

In a dark space secluded from the rest of the known galaxy, a young man wakes up in a struggle for his life.During his coming of age ritual, it was revealed that he possessed the heavy soul body, A talent that could potentially rival even the gods. Joy overtook his entire household as they prepared for the eventual rise of their clan.But on that same day, the Hand of judgement fell upon them extinguishing all traces of life on their planet leaving it as a dead world…As for him? Fate had other plans. Cast into the darkest and most secluded place in the known universe, The sanctuary, he is faced with a decision, become stronger and survive or wallow in misery and Die![You have Awakened ][ Hidden Class Unlocked : SSS Soul King— Supremacy over all Souls and soul kin ][ Innate Skill unlocked: Heavy soul brilliance— In the following 20 seconds host will become effectively Unkillable]-—WSA Entry-—

In a vast fantasy world where countless dangers lurk for humans and demi-humans alike, no creature is more fearsome or powerful than the Dragons, proud, intelligent beasts who stand at the very peak of existence.Dragons do not fight for kings or armies. They are the purest manifestation of nature’s fury and brutality, beings born to stand alone. Yet even such creatures seek a connection, a single partner chosen only once in their lifetime, bound through a unique Pact that links body and soul as one.Those chosen are no ordinary individuals. Dragon Riders soar through the skies atop their mighty companions, dominating land and air alike with powers of overwhelming magnitude. Thus begins a ruthless race between peoples and nations, each striving to secure the loyalty of the most powerful Dragon Riders the world can produce.This is the story of Theo, a noble whose family was brutally murdered, leaving him orphaned and alone as a child. Now a young man, his gaze turns toward the Royal Academy of Dragon Riders of the Empire of the Four Kingdoms, for nothing could serve vengeance better than a creature that embodies the raw fury of nature itself.But while Theo’s steps are driven by revenge, his journey will be filled with both intriguing allies and cruel enemies. And in his search for a battle companion, he will discover something far more precious, because the same mythical beast capable of terrorizing the skies and the land also holds another side, one far more unexpected than anyone could imagine.

Su An was thrown into a world of quick transmigration by his suitor, who attempts to approach him with a different identity.

Hidden dangers can not be prevented, but fortunately, with sweet words and beauty, Su An has won the love of the big bosses from each world.

An indifferent painter suffering from mental illness, a flirtatious bandit young master from a wealthy family, a demon monk with powerful martial arts skills…

To Su An’s surprise: Every big boss is poking my appetite!

The big bosses who got hooked up: …

They all gave a meaningful smile.

- Description from Novelupdates

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.