In the chaos caused by Tilly's bombardment of the magical defenses, Elias seized the opportunity to take Principal Danton down to the castle's basement.
Beneath the banquet hall lay a vast and dimly lit wine cellar. Elias casually cast a 1st-level [Light] spell and asked the principal trailing behind him, "Which way now, Principal?"
Principal Danton's vision wasn't the best. After squinting around for a good while, he said, "It's all changed from back in the day. Keep heading toward the southeast corner. Search carefully, and you're bound to find the hidden room."
"Principal..." Elias glanced back at the persistent shadows of blood, "Could you be a bit more specific? Being slow could get us killed here!"
"Of course, I'm reliable!" Principal Danton hurriedly replied. "Hurry up, we'll be safe once we're there. The magic-driven mechanism of this castle is one of the crowning achievements of my career!"