Naruto: The Strongest Kakashi - Chapter 30

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

Traversing worlds with the Immortal Sword slaying demons, it was not until a monkey who claimed to be the Monkey King appeared before Lu Yu that he realized he had come to the world of Journey to the West. Striving for supremacy along the Human Path, the secrets of Journey to the West unrevealed, cutting off heaven and earth, the Three Realms were isolated.

After being hit by a car, Oliver wakes up only to find himself reincarnated as the 4th young master in one of the most powerful clans in the world. However, just after his birth, he is declared to be useless by his mother.Devastated, he later realizes that he has been born into the world of a novel that he used to read. This world is plagued by war between exorcists and demons, where only the strong survive while the weak are devoured.In such a cruel world where death is only a mile away, he, born without talent, is expected to only suffer his whole life until he hears it...[Ding! Conditions met. Binding System has been activated.]A system that guarantees a 10x reward...[Ding! Target has awakened one of the 4 special eyes!][Obtaining 10 times the reward....][Host has awakened the...]It is not only a matter of time before he can reach the top of the world and live comfortably!

Born at the lowest grade, nobody thought Percy would amount to much.Everything changes when his bloodline manifests in an unexpected way, letting him possess random bodies across the cosmos. Snatching all sorts of advantages - like a second mana core - Percy can finally claim the resources and respect he's been denied.Yet, reaching the top won't be easy. Not every journey yields a valuable treasure, and neither the warring Houses nor the invading gods will wait for him to grow...***What to expect:- Weak to strong male MC- Daily releases- Fast paced with frequent powerups- Fantasy setting with magic and a system- Isekai elements (Percy often possesses random bodies on distant worlds)- Western cultivation elements (Cleansing mana core to extend lifespan)- Morally grey MC (Willing to break a few rules but not a scumbag)