MTL - Ultimate Star Card Master - Chapter 4 Phoenix in the blue sky

Reincarnation.A concept everyone is all too familiar with, at least once in our lives, we've all thought of being able to just let go of all our regrets and the things holding us back and just start over.This deal is made even sweeter when paired with being allowed to keep your current memories and knowledge of the future.William was one such boy who had been given this once-in-a-lifetime opportunity.Like any other modern-day person, the first thing he did after learning about his reincarnation was check if he possessed any memory that was similar to his new world.Sadly, in the end, he was left disappointed and was forced to go into his new life completely blind and unaware of all the malicious entities, world-ending threats, and divine schemes going on in the shadow.But then again, who needs knowledge of the future when you are the child of mana itself?

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy

The End is finally here, but humans struggle and decide to fight to the bitter end and use all of their weapons. However, all of that was useless, and billions died.Until the first humans invaded the enemies' worlds and returned with powers after awakening them, they finally had the chance to fight back and defend their lands.Many years have passed, and humans have yet to obtain any real victories. Terry lost everything since the monsters and the overlords came to Earth, and he waited patiently and trained every day until he had the chance to awaken his power. Despite doing well on his first attack, Terry didn't awake any power...However, when he returned home, he confirmed that his power had indeed awakened... he could see weapons' status, and they could gain experience when he used them or killed monsters with them. Soon, he will come to realize that no other power is better than his!

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.