QHW, Day 21: Underwater

Give your PCs a shark-skin of deep diving or a bubble breath bauble, then let them explore one of these locations:

d12 Locations under the Waves

1. Shipwreck full of treasures, revealed by an old drunk who claims to have survived the wrecking.
2. Underwater temple as the headquarters of an enemy faction.
3. Sahuagin stronghold in a shallow strait blocks all ships from passing after a diplomatic faux pas.
4. Sunken statues or strange monoliths can be seen beneath the ship.
5. Powerful deep sea current used by rare migratory animals and merfolk merchants.
6. Ruins at the edge of an undersea volcano. Some ancient mechanisms are still active, powered by geothermal energies.
7. A sea giant citadel besieged by several dolphin armies.
8. A dragon turtle lair where young warriors go to prove themselves by stealing one of its eggs. Maybe some warrior needs help, or rescuing?
9. Underwater cave system full of valuable ore. Someone needs to protect the squidfolk miners from local wildlife.
10. Giant bubble-city slowly drifting beneath the waves. Local lords are not amused that it keeps impinging upon their territories.
11. A rich bed of giant oysters has been found just off this island. A pearl fever starts.
12. A series of merfolk castles built along the edge of a foreboding trench, long abandoned. Whatever they were keeping sequestered down below will now face no opposition should it try to surface.