There's a lot of simple tricks you could pull off in a game for this kind of thing, like mixing a couple of new, haunting audio tracks and shuffling them in to occasionally play when in a certain region, etc.Sure they cannot implement player's madness but why not have some recognizable but subtle changes in the witchspace sequence that resemble the FR being haunted. Perhaps an additional and slightly low probability of small miss-jumps (nothing that will break your gameplay) and he FR would much more feel like I had expected it to be. - All this exclusively for the FR region.
Crystalline Shards are a thing all over and not Rift specific. The last lot I harvested where just the Sol side of the Abyss.Wow! That is intersting, through my universal translater, ahem google translate on my phone, I read the screenshot as saying biological signal sources, but these are spikey and look like the precurser of barnacles?