Board Thread:General Discussion/@comment-28172712-20160410032410/@comment-1500935-20160414011454

Frankly I don't know, both could have been the original biome. /:

Btw I just noticed that the old development map for the Lost River already had the second Blood Kelp Zone already marked on it, although the Bones Field has been placed differently:



The arrows also seem to suggest there will be entrances to the Inactive Lava Zone in the other chambers. Also there will be an entrance to the second Lost River chamber from the Deep Grand Reef. If that's where I think it is, it's still a flat wall for now. I also found the entrance to this chamber from the Bones Field and same deal, it's a flat wall.