Sure, here is your English translation:
Suddenly, Grue Augustus seemed to awaken from a dream, realizing something.
Back when Grue recognized the situation was grim, he decisively killed his father and brother to forge his own path. He endured hardship and turned the extinction crisis of his family into an opportunity for prominence, proving he was not truly foolish.
Now, at the courtroom, he suffered a final, fatal blow, rapidly falling from a promising, rising Viscount to a broken man from a decayed family. Grue's mind quickly flashed through the bits and pieces from the past decade, and he could no longer fail to understand the connection.
He roared toward the heavens in the court, "You bastard! Earl Red Blade is utterly sinister, treacherous, and vile, truly damaging the honor of the Empire's noble class! This is a trap, a setup from start to finish! Sera! Vittel! I'll kill you…"
