...
Tracy Garcia wasn't surprised that Leonard Churchill was curious about this, and responded, "This is the legendary Soulgathering Coffin."
After a pause, she continued, "What this coffin specifically is, I also do not know. But the coffin on the Neon Train has always been there since a long, long time ago. It is said that its origins can be traced back to the last epoch. And it is with this coffin that the Neon Train travels to the Underworld to accumulate Death Air... As for its effects, you have felt them yourselves, it is to nourish the soul and aid in the cultivation of Mental Power."
"An item from the last epoch?"
Leonard Churchill and Sophia Jones listened with a contemplative look in their eyes.
Even the former High Priest Orlan used many words of uncertainty.
It inexplicably added a layer of mystery to the coffin.
"Yes."