Talk:Spring 2019 Event/@comment-32924908-20190609021047/@comment-34544659-20190609113851

It Looks more like a hole to me. Combining this fact with the movie and some fantasy, it's some kind of base where the abyssals are emerging from. It's literally the "abyss" (or at least one, there are probably several of those across the oceans, like the one at Ironbotttom Sound)!