The Goblin Empire

A Clan Leader of a ninja village gets reincarnated as a goblin in a game world with immortal beings (players) The god of reincarnation had decided to help him. He gives back the Fallen Ninja's memories, skills and a power which will make him turn more human every time he gets stronger. He is tasked by the mysterious gods to stay alive until he reaches Lvl 2000. If he dies before reaching his goal, he will be sent to hell and suffer for eternity. If he succeeds, he will be reincarnated with his humanity once again. He starts as a true born goblin and rises up in rank, becoming an Emperor of his own mighty Empire where plenty of monsters and other races like humans, demihumans, elves and much more can live in harmony. It was the most powerful Empire that had emerged since history! However, a calamity struck and he died just before he succeeds. He makes an oath that he will take revenge no matter what. He was sent to hell. However, something much bigger than the previous calamity happened. The players and a certain goblin get's isekai into a world comparable to the game world Read this story as a vengeful Emperor Goblin Ninja goes up the ranks again. But this time, he will rise beyond anyone else! I will take down the original cover if the creator wants me to, just kindly message me.