```html
Cassius took a few slow steps forward, a look of anger forming on his ferocious dragon face. Flames flickered in his pale golden pupils, and a whiff of sulfuric white smoke seeped from between his teeth.
"So... this is how your Tower of Time shows goodwill?"
"You make a time mage into a so-called 'dragon slayer' and have him foolishly stand in front of me?"
"I deeply apologize, Your Majesty Cassius."
Facing the aggressive red dragon, Tarrin Ackerman remained respectful.
The chrono dragon even bowed slightly, curving his graceful neck to show his regret.
"This was not our arrangement, but a twist of fate. On behalf of the Tower of Time, I apologize for Klein's rude offense."
"The future won't change easily, and Klein still has a mission waiting for him in that future—you yourself are aware that you will not kill him."
Cassius's eyes narrowed slightly as he coldly gazed down at the human on the ground, his expression darkening.
"What if... I say I must kill him?"