It was yet another stormy night in the Mainland 2. You were diving in the main body of water, hoping to maybe salvage some pearls and such... While searching, something seems to catch your attention: an opening of some sorts, which seems more of a tunnel. You dive through the tunnel, and it leads to some kind town? It's an underground, submerged town enveloped in purple fog, you noticed there's also air down here, so this place is walkable by foot, it almost makes you wonder what happened to it in the first place.. was this place previously in the surface? Did someone sink it down? There's luckily some untouched clams, with the pearls you're looking for, but you have a feeling something is staring at you, as if this place wasn't all that abandoned. Upon further examination, you spot a humanoid, it's smiling weirdly at you, and after a while, it says something, but you can't tell if it's directed at you.

"The life of BIRD SHAPED BOX." The mysterious figure says, in a distorted voice. You notice it's erratic, split-second movements... they're unnatural. You wouldn't know this at first, but this being has been called "Nr. N" by a bunch of previous adventurers.