Win-win
The place was brimming with sea monsters moving about through strange buildings built in massive stalagmites. There were strange glowing blowfish stationed at various locations in the city, for as weirs as it may see that is what it was.
After a mind numbing trip through the city in which the saw Grindylows wielding strange looking spears. They had the upper body of a goblin vaguely, from the waist down their bodies split into a tangled web of suckered wriggling tentacles.
Some were riding on Derstrachan, it had a toothy, eyeless, tubular head. It had powerful hind legs and claws. It could be called a horrific sort of horse but that was not true.
That title was reserved for the Hippocampus, a mix between a horse and a shark.
They even glimpsed a look at the Grodair, huge whales that were said to have stored enough water to make a lake in their bellies. Some say that they possess a magical space within to be able to store so much water.