This Japanese Monogatari Isn't Lame - Chapter 9 - . Great Misfortune (Happy Children’s Day to everyone)

A top-secret experimental explosion transports Xiao Ming to a parallel world resembling ancient times.In this hostile land, he is the most unfavored prince, given the most barren fiefdom.Fortunately, however, a mysterious item from the experiment—the Technology Crystal—comes with him, granting him the ability to upgrade a technology tree.Thus, he begins a leisurely life in his fief, farming and developing industry.In the face of his unfriendly brothers and sisters, he has always followed the motto- friends come and get wine, jackals come and get shotguns.

Su Mo is a late bloomer, introverted and not very good at communicating with strangers.

I thought that my life would be so dull, but after participating in a national game “Star Ring”. Rediscovered the joy of life and embarked on the road to the top of the throne.

- Description from novelbuddy

John sacrificed himself to protect Earth and resist the gods, only to be betrayed and killed by his best friend.To his surprise, after death, he was reborn just before the launch of the game “Gods Descend.”In this life, he vows not to let the tragedy repeat!Upon entering the game, John masters the power of reincarnation and unexpectedly awakens an SSS-level talent—“Plunder”!By killing monsters, he can plunder their attribute points; by killing boss-level elites, he can plunder their talents, skills, and special attributes.Killed a tusked wild boar: Physique +1Killed a bloodthirsty wolf: Speed +1Killed an elite boss: Gained 10 skill pointsKilled an epic boss: Gained 10 luck pointsKilled a legendary boss: Gained an S-level talent, Spell Combo...As John grows through killing, when the game merges with reality and the gods descend, they finally realize that there is an existence on Earth that they cannot provoke.John: “I will only make one move. If you survive, you may leave.”In the next second, the ultimate forbidden spell activates: Ragnarok!

[The Demon King is Dead], a story in which the Demon King got immediately killed in the Prologue. I became the ‘Demon Prince’ of said novel.

…Help me.