Board Thread:Episode Discussion/@comment-410526-20160123155826/@comment-3087260-20160124184813

Phantomlink959 wrote: You can have similar personalities without being a reincarnation you know, and given what we know of the nature of the soul in Remnant reincarnation is just not possible.

Unlike most worlds, the soul if a physical thing that can be moved between hosts using technological means, when you die it's gone, reincarnation be damned. That sounds like it is only for robots like Penny.