This quest will be added to your journal when you come close to the Temple of Vrogir.
We discovered that one of the Temples on the Nameless Isle was flooded by water that cascaded into it via a portal.
The Drowned Temple
Related points of interest
Temple of Vrogir
The Nameless Isle
Black Ring Captain (lvl 16)
The Nameless Isle
Black Ring Portalmaster
The Nameless Isle
Quest stages of The Drowned Temple
1. Info
Talk to Black Ring Captain (lvl 16).
The Black Ring are flooding the a Temple using portal magic.
2. Portal Removed
Persuade Black Ring Captain (lvl 16) or kill Black Ring Portalmaster.
We managed to stop the portal that was flooding the Temple. The waters ought to recede now.
3. Close Left TNI
We have departed from the Nameless Isle, without managing to stop the flooding of the Temple.