Dvucca Isle is a second mainland of Caedarva Mire, an area covered with fog and settled with Undead Mobs and . This region is only accessible if the Treasures of Aht Urhgan expansion is installed and The Road to Aht Urhgan quest is completed. Adventurers can teleport via the Dvucca Isle Staging Point (K-9), enter from Alzadaal Undersea Ruins (I-10), or from Arrapago Reef (H-8) and (G-6). There is also an entrance to Arrapago Reef (F-9) and (G-8) that leads to The Ashu Talif, an ISNM Battlefield and an Assault area.