Sage Monarch (Sage Emperor) - Chapter 1561: Half-Annulled

A mysterious natural phenomenon caused the Earth to be plunged into darkness. The world turned into an endless bloody chaos and mankind is on the brink of extinction…

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates

In the mainland of the dragon, humans can also cultivate. But even if human beings are stronge, they will still be suppressed by the dragons. The true ruler of the mainland is the Dragon!

Ning Qi was a young mafia boss on the earth, but was betrayed by his most competent subordinate who pushed him down the cliff. When he woke up, he found himself located in the dragon’s continent and became the 13th son of Champion Duke of Qin Tang empire. At the same time, the super dragon slaughtering system was also activated, which changed his fate.

Who are Ning Qi’s biological parents? Where are they? On this continent, how is Ning Qi’s past-life identity amazing?

- 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.