Charne is a Delver community in the remains of the old Human City of Thenn.
Thenn was a small city known for it's Alchemical Schools and Master Enchanter's Guild.
When the Cataclysm took the city, The river swallowed up the school, as though the riverbed became non-existant. Most of Thenn sunk into the river. Connected only by it's length of corridors and tunnels, even most of these became ruptured and caved-in. Proving inaccessible so far to any attempts to plumb it's depths further. So far what the Delvers have found in the ruins have proven useful. The Delvers regularly send shipments of magic items to it's homebase in Azos. These shipments are heavily guarded as it's contents are often too valuable to let into Bandit or Goblinoid hands.