Rui knew that there was a reason why all of this had occurred, but he simply wasn't qualified to figure it out. Thankfully, it wasn't his job to figure it out either. That was something best left to the Ministry of Environment and Ecology. He only needed to do his job.
He chose to travel deeper into the elevated landmass. The deeper he traveled the greater the density of fruits. And the greater the density of corpses that had been poisoned after consuming it and died. Each and every single one of the corpses was being slowly pulled underground by the roots. Rui could believe that these corpses were the reason the tree had grown in this strange fashion. Such was the sheer count of the corpses that lay on the ground.
Furthermore, the deeper he got, the taller the tree trunks were, elevating in height as he continued traveling.
It took a while, but Rui soon reached the core of the elevated landmass.
"Woahhh..."