We were also quite iffy with the usage of the noun 'Barrier', but after talking it through between two Korean translators and two proofreaders we decided it's the best fitting word although it doesn't sound great.
@degenerateafro Technically in chapter 62 the nun was using a GIS system, but the translators decided to name it "Google Maps", even though the korean version didn't have that.
Honestly I think he might be the writer and that would explain why his grave was so purposefully destroyed. Because he knew think that made him a thorn in someone’s side