Acheron Picture

River of Sorrow from Greek mythology, 1 of 5 rivers in Hades.

Acheron, Styx, Lethe, Phlegethon, & Cocytus/Kokutos are the other 4 such rivers in Hades.

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& yes, I loved Sherrilyn Kenyon's book by the same title. It's awesome.
Memento Mori
Mnemosyne II SM
Acheron
[cT] Claude Sinclaire
Mnemosyne