"Haah!"
A sword slashed into the last goblin that had attacked Yael's party. It was the goblin king, which now concluded the battle. According to the Book, defeating the goblin king would advance the adventurers to Necropolis, the City of the Dead. The City of the Dead—Necropolis—was what one could call 'mid-level' floor where adventurers could find a clue about the vessel.
The Book couldn't give more information other than that. Each Necropolis varies per dungeon that it was the book's last page. From there on, Yael and his party had to figure out how to get into the vessel. But of course, every Necropolis found in dungeons had similar monsters.
The failed 'humans.'
Necromorphs.
