When the Empire's Sigma had attacked the industrial complex before, Arina, disguised as Mary, had not revealed her full strength. But now, she was unleashing her full power without holding anything back.

"Unbelievable... Lady Mary is a Sword Master!"

The knights watching the duel murmured in astonishment.

They had already been amazed by her demonstrating the skills of a top-tier knight, but now she was actively fighting as a full-fledged Sword Master.

"And that swordsmanship...!"

"It's the secret swordsmanship of the Grand Ducal family!"

"Her sword strikes are an exact replica of the late Grand Duke's techniques."

"Did they teach …