Karna was the demigod hero recorded in the ancient Indian epic, the Mahabharata. He was born of the mortal woman Kunti, who used a child-granting mantra to unite with Surya, the sun god.
The Sun God Surya bestowed golden armor and earrings upon Karna as proof of their bond as father and son. He could truly be called a great hero from birth.
"I see. You truly are Ruler. Identifying my Class and true name before I have even drawn my spear is the best proof."
Hearing Ruler reveal his true name with a single remark, Karna, the Red Lancer of the Red Faction, stopped suppressing his fighting spirit. His overwhelming presence surged outward.
Although his purpose in coming was already plain, Ruler still asked Karna to confirm it:
"Indeed. So, Lancer of the Red Faction, why have you come here?"
Karna clearly failed to grasp the deeper significance of her question and answered bluntly:
"I do not consider asking a second time about something you already understand to be the act of a wise person. You would do better to regard my very presence here as an explicit declaration of war."
"In that case, your Master is hardly any wiser, Lancer. What purpose would fighting me here serve, when I am the neutral, third-party Arbiter?
"Could it be that you intend to carry out some plan that violates the rules of the Holy Grail War-or have already done so?"
Ruler's gaze changed. She placed her suitcase some distance away, and her battle attire materialized, armor formed from magical energy covering her body as well.
She had never expected to face an "anomalous incident" on her very first day after manifesting. It seemed this Holy Grail War would be more complicated than she had imagined.
Meanwhile, Karna answered her question