I, the Weakest Traveler, Start by Taming the gods of the Old World. - Chapter 67: Find the mole

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.

“Victor Kane, your life has been the easiest. Born into the wealthiest family, never having to work a day in your life, always surrounded by luxury, and never experiencing a single moment of misery. Even dying within seconds without an ounce of pain. I must say, it's interesting.”When even the gods had taken Victor to be the luckiest, his luck seemed to run out finally._______[Caution! A curse has been inflicted on the user.][Curse Grade: Celestial][Curse Description: The user is restricted to only tame insect species. Taming normal species will become impossible with this curse.]_______Reincarnated to the world of Beast taming where only the tamed beasts could keep your societal status. Theo was born with the curse to only tame ordinary insects.Follow his journey where he takes the help of the very simple and ordinary creatures to pave his path in the future.“Wait, what do you mean the Outer Devils arrive in metal ships and armored suits from beyond this world?!”Being attacked by space ships and Mechas, all Theo had was his tamed to fight against the danger.

One of the few self-cultivator who exist in this modern world; due to an unfortunate event, completely destroyed his body in an explosion. Using all his effort to save his primordial spirit, he ended up in an strange magical world and had to start all over again. From a fallen aristocrat to the Warlord of Chaos, this can no longer be summarise as legendary; this is the life of the God of War.

- Description from Novelupdates

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