>>28381088>>28381118>>28381149>>28381202>>28381223>This autismThe blocks are obviously a fucking gameplay feature to keep the player from going outside of the boundaries. Canonically, those sea rocks obviously aren't a big deal, seeing as how pretty much every piece of art of Kanto either doesn't have them at all, or has them in much scarcer quantities than in the games. The few small rocks obviously aren't a big deal to a cruise liner like that.