I don't think it was mistranslated, as Apeiron prevents you from dying and triggers the healing field at the same time.
Topic on User talk:Shironsaki
From Elwiki
the wording is weird lol
True. Perhaps we should add a piece of trivia or something clarifying what it means?
Adding a "Tips and Details" section if need be.
That would be appreciated. I tried to do it myself, but I wasn't able to decide on how to go about it.