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A large explosion of smoke and fire erupts in a dark environment, followed by a close-up of a glowing red, pulsating heart-like object. A white-haired female character with a sword appears in a high-speed motion blur, then the scene shifts to a male character with black hair looking shocked from behind her, followed by another male character with dark hair lying on the ground with a pained expression. The sequence ends with a close-up of a different male character with dark hair and a scar, looking down with a serious expression in a dimly lit setting.