Saint Monastery (VI)

The loud impact reverberated from the distance and the underground hall shook with falling dust. The candle flames trembled. The nun, Sister Helen, knitted her long brows and lifted her head to face the crowd before her. A tall, burly man clad in pitch-black armor stood beside her. He held a large flail in his hands and a thick mask concealed his facial features. Before Sister Helen were ten similarly-dressed nuns in scarlet robes, surrounding a stone-made altar on which a young lady laid with her eyes shut.

What's going on out there!