For this, the Dusk Princess died several times over.
"I really want to experience Lind's storyline."
Despite saying so, experiencing Lind's invincible story and testing his skills wasn't important. Contrarily, the present plot gave him a vague feeling, possibly hinting at some special reward.
Finally, he succeeded in escaping to safety, standing atop a huge boulder and turning to gaze upon that nameless castle, watching as the green sea of ghosts completely engulfed the building.
But the Majestic Shield did not leave either.
The moving green sea of ghosts devoured all life within the castle, and the towering figure ceased to appear.
Once again, he opened his eyes.
"No, it seems that the correct process should involve rescuing the Majestic Shield as well."
After attempting time and again, if it weren't for the Undead sharing information amongst themselves, they might have already given up.