Moments before Nicholas' attack, Arthur was drawn back by uneasiness in the air—like something bad was about to happen. But from where?
His body suddenly acted on its own by unleashing the aura of his killing intent at once. It was like a reflex because the moment he did Nicholas was already coming at him intending to cut him down.
He turned and met with his bloodshot gaze, freezing completely when he realized he couldn't even breathe because of how dense the air had gotten.
'So this is my bloodlust.' He scanned around and noticed that everyone else was being choked by his bloodlust. He sucked it back in and they could now all breathe freely.
Nicholas dropped his swords, terror-stricken by Arthur's demonic presence. "I'm sorry…please forgive me! I beg of you! Please don't kill me…!" he crawled away from him with tears in his eyes like a pitiful child.