Obsidian Invasion While the players were distracted with the merriment and glee taking place on the eleventh floor, something interesting was taking place above. The seventeenth floor, home to mythical monsters and rich ivory architecture, had experienced an invasion of sorts. Seemingly overnight, a massive obsidian castle imposed itself on the horizon, visible from the outskirts of Larissa. Its ominous insertion against the landscape spelled catastrophe for the floor’s denizens, who knew n