Throne of the Ghost Emperor (Danny Phantom X Naruto) - Chapter 30

After millions of years spent hunting and battling, the forces of darkness were finally pushed back and eradicated. But as Twilight’s lifespan approached its inevitable end, he made a fateful choice—to reincarnate into the future, where a golden age was prophesied to unfold.Now reborn as Twilight Nightfall, a boy who had lost everything to the world, he remembered nothing of his former life.Stripped of purpose and will, he strayed on the path of despair. Yet, in his darkest moment, a reason to live revealed itself.Chosen as one of the sovereign system holders, Twilight was granted an opportunity to prove himself.With sufficient potential, he could earn the highest privileges, rise to the rank of seeker, and represent humanity in the Astral Realm—a game-like world filled with mythical races, limitless resources, and boundless opportunities.Follow Twilight as he ascends to the apex of the Astral Realm, dominating players and rivals alike while gradually piecing together the shattered fragments of his past life, becoming a legendary figure in all worlds.

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

Feng Yun was an ordinary young man who was unable to cultivate. One day, He got the inheritance of the Ancient Yang Demon Clan and a mysterious sword. With these he became a super genius and started his new journey from a small town to heaven, sweeping across the world, vying for the supreme existence.

Do you still remember Contra’s secret skill to summon 30 lives?

Do you remember the excitement when Pokemon caught Pikachu?

Do you remember the location of the hidden mushrooms in Super Mario?

Do you still remember the hard work of farming in Ranch Story?

Do you still remember the blood-warming series?

Tank Wars on FC, Bomberman, Double Dragon, Cat and Mouse, Red Fortress, Jackie Chan Kick Hall… The King of Fighters on GBA, Metal Slug, Golden Sun, Naruto, One Piece, Ace Attorney, Fire Emblem… This one A familiar name, buried many of our childhood memories.

And the Fruit Ninja, Plants vs. Zombies, Fishing Master and Angry Birds of Android phones have brought us much joy.

Warning, because the movie world, arcade world, and large game world have been excessively damaged, the data is currently being reset! The dream space is opened this time, and the selected scenes are:

FC red and white machine world, GBA handheld world, and Android phone world!

- Description from novelbuddy