One Piece: Immortal, I maxed out Conqueror's Haki first

"Giving elemental energy solid form and coating it in Haki is also something a Logia user can do."

Xia Le spoke softly.

Afterward, he experimented with various ways to use and control lightning.

For instance, manipulating or creating thunderclouds overhead to produce torrential rain.

Over the past few days, the people of Marineford had consequently noticed that the weather at Marine Headquarters had become rather changeable.

Thunder rumbled, and enormous bolts of lightning twisted and flashed through the clouds. Strangely, though, no rain fell. There was only thunder.

"I can also use thunderclouds to create rainstorms!"

"At full power, the range can easily cover an island or a stretch of sea!"

Standing amid the thunderclouds, Xia Le spoke with a faint smile, his face flickering between light and shadow beneath the flashing arcs.

The greatest strength of Logia Devil Fruits lay not merely in their tremendous destructive power, but in their ability to create catastrophic weather over vast areas.

"They can even permanently alter a region's climate."

There were countless ways to develop the Rumble-Rumble Fruit. Over the past few days, Xia Le had first familiarized himself with the abilities he had learned before developing them further.

These included Misaka Mikoto's Railgun, Lightning Spear, electromagnetic force through the use of an Electromagnetic Domain, and more.

He could already use lightning to indirectly control metals underground, producing abilities like Magneto's.

Next came Enel's various attacks, all of which he had mastered.

Then there were Sasuke's Lightning Release, Kirin, and so on.

After eating the Rumble-Rumble Fruit, he had become like a true god of thunder, effortlessly controlling lightning to accomplish everything that had once been beyond his reach.

Floating cross-legged among the thunderclouds high above, Xia Le slowly closed his eyes.

Hum!

An invisible ripple spread out, sweeping across all of