MTL - Ninja School Teacher, I Can Become Stronger By Teaching - Chapter 366 Intelligence is important

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

Next up is——The venerable master of Hydra, the High Priest of the Purple Sweet Potato SpiritThe psychiatrist of The Avengers, and the financial advisor of S.H.I.E.L.D.Batman's dissertation killer, Joker's soulmateThe head physician of Arkham Asylum, the professor with all positive reviews from Gotham UniversityA recipient of the Red Flag Medal, a possessor of God's blessingsThe iron curtain of New York, the breath of fresh air in GothamThe eternally undying Dark Sun——Schiller Rodriguez!(All titles mentioned above have been rightfully earned within the main text. Any new titles will be added as they arise.)(This isn't a web novel with a system, and the system disappears soon, those who don't like it can skip the first thirty chapters.)

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

Xiao Yu transmigrates into a comprehensive xianxia universe, becoming the senior brother of Tianyong City and activating the Immortal Emperor System. Starting from the Foundation Establishment stage, he ascends through the Golden Core, Nascent Soul, and Spirit Transformation stages, ultimately achieving immortality! This universe seamlessly integrates multiple xianxia classics, such as Chinese Paladin 1, Chinese Paladin 3, and Gu Jian Qi Tan, among others.