Noctis had been smiling when Algorth descended, however, that smile began to slowly leech away from his face when he saw the state of the castle, he whispered with sadness,
"This was not the deal I made, you did not deserve such a Fate. What have they done to you? Where is your Light, your Flame?! Who stole your pillars from you?!"
By the end, his whispers had transformed into howls of rage. Demon Lord Abruzul, who had been transfixed for a moment by Algorth's descent, shook himself from his reverie and acted.
Unlike this unknown creature here, the Demon Lord knew of this castle and the unknown mysterious shadow organization that controlled it. This castle was one of the greatest prizes sought by the Abyss or any Primordial powers, but especially by the Great Abyss.