Apocalypse: Apparently, I Can See Zombies - Chapter 39 - - Do Me A Favor

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Dying after experiencing the cruel side of humanity, when Blake is transmigrated into a world of magic and flying dragons, he is fully focused on accomplishing his goals but then.[Ding! Welcome host to The Lust System.What is more fun than becoming more powerful as you have pleasure.]“That damned woman, what the hell is this, I'm here to conquer a realm, not play around” Blake thought, but he was immediately hit with another surprise,[Ding! Error, Failed to fully bond with host.....,, rebooting][Ding! welcome host to the Sinister System.]From a follower of Lilith to a target of the underworld, how is Blake going to explain to the rulers of hell that he now commands their sins.

Li Xuan traveled through the world of immortality and opened the apprentice system, and both apprentices and apprentices could be rewarded for upgrading.

【Ding! Accepting apprentice Qin Yue, reward you: Innate Divine Power]

【Ding! Accept the apprentice Zhao Tian, ​​reward you: call the wind and call the rain]

【Ding! Apprentice upgrade, reward you: space shuttle]

….

Li Xuan, who accepted a bunch of apprentices, evolved infinitely in seclusion.

Ten years later, the Devil Emperor invaded and wanted to sacrifice the whole world, but no one could stop it. The disciples watched the world fall into despair in pain.

At this time, Li Xuan appeared and slashed a sword against the Demon Emperor under the watchful eyes of the public.

Boom!

The sky fell apart, the invincible Demon Emperor fell on the spot, and the entire dark world was swept away by a sword.

The disciples were horrified. It turned out that the strongest person in the world was actually the master who had been in seclusion for ten years.

- Description from novelbuddy