Board Thread:General Discussion/@comment-32491047-20180104033012/@comment-32182236-20180107125445

"Every human who comes here meets the same fate. They come. They leave. They die."

"You really want to leave that baldy? You are just like the others."

"Ehehe! You really are no different than them!"

It's likely talking about the six (not seven, Chara didn't leave Toriel like that) humans who fell before Frisk.