In the end, Roger still chose to give the Satan Fruit to Shin. It was of little use to him, while everyone aboard the ship was thoroughly repulsed by it.
Rather than letting it sit around, he might as well give it to Shin. Though even he had no idea what Shin wanted the fruit for.
In fact, not even Shin himself had decided what to do with it. He was merely curious and wanted to study it.
He had previously copied the Logia-type Glint-Glint Fruit and understood that Devil Fruits were manifestations of this world's fundamental elemental powers.
But this fruit was somewhat different—or rather, the power condensed within it was different. It was an endless force akin to an abyss, unlike mere darkness, carrying other sensations that could neither be described nor understood.
Not long after putting away the "Satan Fruit," the Oro Jackson set sail once more. Rayleigh's Log Pose had completely returned to normal, and they were headed for the nearest island to replenish their supplies.
What followed was an endless voyage. Shin stayed aboard Roger's ship for two years, during which he witnessed most of Roger's accomplishments along the way.
Becoming the Pirate King was no easy task, and the hardships they faced along the way were beyond imagination. No one had ever reached Laugh Tale; to become the first person in history to do so, one naturally needed the spirit and strength to carve a path through everything.
They passed countless kingdoms and crushed one powerful pirate after another. Roger had practically fought every force on the Grand Line that could possibly be offended.
During that time, they also encountered the Whitebeard Pirates several times, and their clashes were too numerous to count.
In such situations, Shin generally helped neither side. Whitebeard, Marco,