General

Underground Town, located at 10.6S, 17.1E near Al-Arqas.

"The Drifter's home."

The remains of the bar in Mar'uun

The town lies in ruins since the Old Ghosts event.
The Town portal at 10.6S, 17.1E still there.
Two human NPCs simply disappeared (Jinmi the Alchemist and Kaywin the Machinist), but there are 2 corpses near the Test Portal (Marcus and Wren, the Portal Researchers?) and corpses where the Shopkeepers Rubin (Barkeep), Jurraf (Jeweler), Aishi (Smith) and Ali (Bowyer), Khamal (Groceries), and Malak (Archmage) were.
Of the two Virindi guests, Jean and Luc, there is no trace...
There is a lava pit under the now broken bridge towards the Test portal.
The Test Portal is still there, but doesn't function.

You try to enter the portal but there is no effect.
The portal seems unstable.

Also the Stabilizing Machine is still there. The door is now barricaded, but you can access it by going up near the Test Portal, and shift-jump down into a small gap in the floor.
On the floor, there is a Scrap of Paper (Attuned and Bonded).


Getting to Mar'uun

From Al-Arqas, take the Al-Nosaj portal at 33.5S, 13.1E.

NPCs

Town Shops

Name Coords Wares
Archmage Malak ibn Hern first intersection, go either E or W, keep going N Magic Supplies
Barkeep Rubin directly at drop Food, Drink, Rumors
Bowyer Ali ibn Mahir directly S from drop Fletching Items
Grocer Khamal al-Rachard first intersection, go E past Surface portal Food, Cooking Supplies
Jeweler Jurraf al-Djiqidh second floor near drop Gems, Jewelry
Jinmi al-Evv first intersection, go W past Xarabydun portal Magic & Alchemist Supplies (Master Alchemist)
Smith Aisha bint Karal directly S from drop Armor, Weapons

Quest NPCs

Name Coords Quest(s)
Kaywin first intersection, go either E or W, keep going N, past the portal researchers, through 2 doors Machinist's Gloves Quest
Marcus Manfried first intersection, go either E or W, keep going N Portal Space Research
Wren the Curious first intersection, go either E or W, keep going N Portal Space Research

Miscellaneous NPCs

Name Coords
Jean directly at drop
Luc directly at drop


Portals