Board Thread:General Discussion/@comment-6302057-20160307065615/@comment-6302057-20160425030630

NickM98 wrote: Lady Junky wrote: We have another canon name!!! The River of Lost Souls is Acheron according to the first sneak peek of 516!!!! Now the list is complete: I do wish that they had made the River of Lost Souls the Lethe as that's the logical choice considering the mythology. I take back what I said, seeing the Lethe as the "River of Forgetfulness" in 5x19 makes sense as to why they did what they did with the Acheron. It's all coming together! I hope we see even more of the rivers' power.
 * Acheron (A.K.A. River of Lost Souls) - green (named in 5x14 and 5x16)
 * Styx - blue (shown in 5x14)
 * Cocytus - grey (shown in 5x14)
 * Lethe (A.K.A. River of Forgetfulness) - yellow (shown in 5x15)
 * Phlegethon - lava