I was confused as well but I think that's the house's plumbing system.In a way, she kinda unlocked time travel.
What's happening with that bloated thing at the end though.
It's important to remember that only very recently did Bellnoa discover her family wasn't all killed; she actually does know what it's like to lose loved ones since she went through the grieving process already. If anyone was gonna ask this question it would be her.Bellnoa with the heavy what-if questions
I believe it's a circular hole. Imagine if you erased a spherical area around the save point, that's what they were doing.In a way, she kinda unlocked time travel.
What's happening with that bloated thing at the end though.