Rebirth in One Piece as Deputy Captain - Chapter 302

[The 3000th Descent of Mystery is about to begin.][This is your only chance to redeem yourself.]When the whole world was in danger, Wang Teng activated a unique talent.It was the Rank SSS talent - Inequivalent Exchange!He was not purchasing things for free, but the exchange was not equivalent.[Exchange successfully. You used half a bowl of cup noodles. With your Rank SSS talent, you may retrieve an unlimited supply of cup noodles.][Exchange successfully. You used a bottle of Sad Breeze wine to exchange for the Star Shifting Method.]…From then on, Wang Teng activated a new exchange system.

“When everyone worked hard just to obtain pills, artifacts, wealth, or power. Well, hehe. All I need to do is buy them through the Invincible Exchange System!” Our protagonist said with a smirk on his face.

- Description from Novelupdates

Hadica was built around one of five Towers, an infinite structure filled with floors of monsters, magic, and treasures that the city plunders like clockwork. Most of the city, at least. Growing up in Westhill, Micah's family abstained from all of their Tower's bounties. He became an [Alchemist] at an age younger than most and just wanted to level in peace, but soon ran out of mundane ingredients to brew into potions. Ryan is a budding [Fighter] with the strange ability to mimic beasts, including monsters, but he doesn't understand it or even himself. After a Tower climb goes horribly wrong, their lives and the world around them begin to change as they try to figure out who they want to be.The Salamanders is a slow-paced story about characters growing up in and exploring a fantasy setting. It updates sporadically. Please mind the tags.

Light and color, sound and smell;

Food, clothing, housing, mobile phones and computers;

Burn, freeze, rub, explode, thunder, rain, grow, decay;

All material changes and chemical phenomena;

Our bodies, our minds, our world—

All based on electromagnetic interaction!

Whoever can control the electromagnetic force will be the tyrant who dominates the world!

However, electromagnetic force is too profound, so let’s learn how to discharge electricity first…

- Description from novelbuddy