MTL - Marvel’s Scientist to God - Chapter 9 , Injection of human serum (modified)

Promise transmigrated to the TYPE-MOON world and became one of the students of Waver Velvet at the Clock Tower.But a dream must eventually come to an end.Upon waking from a night's sleep, he recalled his identity as a transmigrator and also discovered his golden finger.A Heroic Spirit Class Card.It can take Promise to different eras, and by leaving behind corresponding legends, he can ultimately ascend to the Throne of Heroes!He thus travelled to ancient Greek mythology and Norse mythology.Promise: “I heard after death, you can ascend to the Throne of Heroes. What are you waiting for, come on, kill me!”(PS: This book is not a traditional simulator story; its content mainly revolves around the Age of Gods, hence the Age of Gods is a long narrative!I didn't use TYPE-MOON in the title as it was already too large)

Introduction to One Piece’s Bounty System: Tianlei crossed the One Piece World and become the nephew of the Navy Admiral ‘Sakazuki, ‘Akainu’, Tian Lei thought it was very outrageous until he found himself having a [bounty system] that can be exchanged for everything in the world of One Piece. As long as you kill or capture pirates, you can draw a Skills, weapons, and devil fruits. Such as ‘Navy Six-style’ ‘Overlord color Haki (Busoshoku Haki)’ ‘sense color Haki (Kenbunshoku Haki) ”armed color Haki’ ‘devil fruit’ ‘sword skills’ have everything!

- Description from Novelupdates

The previous life is nothing but a joke. Being used completely then abandoned mercilessly. How can I be this stupid to not even notice such an obvious scam? Fortunately, I can have a second chance with my rebirth. Sister, Brother Yi and whoever mistreated me in my previous life, are you ready for my revenge and the counterattack of a princess?

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy