About Aquaman Vol. 8 Out of Darkness

He was a king without a kingdom. Now Aquaman and his queen, Mera, have retaken Atlantis from their enemies.

But to secure the future of their people, an even bigger challenge awaits them: they must win back the trust—and the hearts—of the humans whose dry lands have been inundated by threats from the sea time and time again.
 
Even as they settle back into Aquaman’s childhood home of Amnesty Bay, death still lurks in the ocean depths.

A creature called Dead Water is threatening to drown humanity in blood—and it can strike anywhere a single drop of water can be found.
 
Aquaman must save his kingdom, heal his image and defeat this lethal new foe, but he can’t do it alone. He’ll need help from the most unexpected ally of all…