Heartbreaker stood atop her rooftop balcony, one foot resting on the railing, looking out into the night. It was such a strange feeling. She had stood on rooftops and soared across the Paris skyline numerous times, but always with the goal of stopping the villains. Now everything looked different, surveying the landscape for problems to cause rather than to solve.
Her eyes quickly turned to the park, scanning the area where her heart had been torn out and crushed. Adrien wasn't there anymore, but there was a happy, young couple just strolling through, hand-in-hand. How dare they be so happy when she was up here wallowing in misery? With expert agility she pushed off the railing, launching herself into a somersault high in the air and landing gracefully right behind them. They turned to her first in surprise, then in horror as they saw her.
Yes, she thought with grim satisfaction, standing up, let them feel despair and pain, just as I have. In place of the small purse she normally had hanging at her side, she now had a pouch strapped to her thigh. She pulled open the cover, allowing two daggers to come flying out, hovering in the air before her, each one with a glowing, crimson blade. With a casual flick of her hand, the daggers flew forward as the couple started to scream in panic, but too late. The daggers pierced them each right in the heart, vanishing on impact as it infected them with her unbearable sorrow. Heartbreaker's frown deepened as she watched them fall to their knees, weeping uncontrollably.
"Not so happy now, are you?" she said mockingly, almost surprised at her cruelty. This is what she wanted, to spread despair and sorrow, yet this wasn't enough to satisfy her. She turned around to search for her next victim and saw all the apartments surrounding her. Her heartbreaker daggers would home in on the hearts of anyone they came close to, wherever they were. She leaped into the air as high as she could go, graceful in her dark purpose. At the apex of her jump, one hand went to her pouch, drawing out with it an array of daggers poised to strike, hovering in the air as they waited for the command. Just before she began to fall, she swung her hand, sending them in all directions.
The daggers shot out toward windows all around, some entering open windows, others shattering the glass as they flew. Soon she could hear them, the pitiful wails of utter despair, from her victims all around. The sound echoed throughout the courtyard, filling her ears with the terrible sound, but this was not enough for her yet. All of Paris could feel her sorrow, but it would not be enough until she saw Adrien crushed by agonizing despair. This was his fault, and now he would suffer as he made her suffer.
With a few expert leaps, she found herself poised on a rooftop across from Adrien's bedroom window. Crouching, she watched him, standing at the window, staring out into the open air. She felt an odd mix of emotions seeing him there. Her all-consuming sadness and anger was suddenly pierced by a memory of a time that seemed so long ago, of a love as strong as the grief, of a desire to be in those arms. She shook it off; those feelings were nothing to her now, Adrien took care of that.
"What are you doing, Heartbreaker?" Hawk Moth's voice came to her, "You need to sow your grief throughout Paris to bring Ladybug and Cat Noir to you."
"I will," she promised, "but first I have to punish him. This is all his fault."
"Him?" Hawk Moth sounded… surprised, concerned even, "You can have your revenge, but first bring me the mira…!"
"Shut up," Heartbreaker answered casually. She may have accepted his power, but her will was still her own. She would do as she saw fit. His voice continued to ring in her head, but she ignored it, leaping across the open space to land on the roof of the Agreste household.
Hawk Moth watched with satisfaction through Heartbreaker's eyes. She immediately began to use her powers well, bringing despair to the young couple in the park, then sending her crimson daggers into the apartments throughout the courtyard.
"Yes, soon Ladybug and Cat Noir will show up," he said to himself smugly, "Then I'll have their miraculous at last!"
As he watched, Heartbreaker began leaping through the air again, jumping from rooftop to rooftop before stopping on one in particular. She seemed to be intent on the building across from her, one that was very familiar to him.
"What is she doing?" he wondered aloud, then he focused his will on her and spoke directly, "What are you doing, Heartbreaker? You need to sow your grief throughout Paris to bring Ladybug and Cat Noir to you." He spoke firmly to make sure there was no question of obedience. He had broken her will already and now she was his to control.
"I will," she replied, her voice intense in its determination, "but first I have to punish him. This is all his fault."
"Adrien?" Hawk Moth wondered aloud, speaking to himself again, seeing his son through Heartbreaker's eyes in his bedroom window, "Is this where he went tonight, out with this girl?"
"Him?" he spoke again to Heartbreaker, trying to sound commanding, "You can have your revenge, but first bring me the mira…!"
"Shut up," she answered, her voice cool but firm. He felt a wave of force ripple through his psychic link with her. Her will was returning, and it was so strong! Even now she tried to resist him.
"If you fail to bring me the miraculous, I'll take away your powers, Heartbreaker!" he threatened, but the words fell on deaf ears. He knew Heartbreaker could still hear him, but she was blocking him out. He tried to exert his will over her to stop her, but he found he couldn't. Suddenly he felt helpless by the surprisingly powerful will of this high school girl.
"What have I done?" he wondered aloud, "Adrien…"