There was no question of what would happen here, the outcome was predetermined.
Nothing.
If there was even a glimmer of hope at something different happening, he would've found it by now. Every outcome was explored, sacrifices were made by the tens of thousands in the blackest rituals. Entire worlds twisted in conflagration for nothing. The infinite resources of the Kainate, the fathomless depths of power wielded at his fingertips none of it was enough to give him what he wanted. In the past he always found some angle, some path forward to pervert fate itself, to once more subjugate it in his iron fist. It was one of his greatest gifts to do the impossible, to find something out of nothing. Out of the ashes of failure rose House Zambrano, their empire built at his fingertips. For all of his achievements nothing could be done. It was the single inescapable truth that taunted even the Mortarch.
She was gone.
It was soul shattering pain so deep it rocked him to the very core. It broke him like exploding glass, turning his mind into powder. The depths of his agony ran beyond description, beyond comprehension to most. The mere mention of her name in his presence was a capital crime, up until now he barely said anything at all about her. Lately, everywhere he looked he saw her ghost. The crimson hair flowing in the wind, her scent catching on the air. Everywhere he looked he was tortured by that one moment when life faded from her eyes. When blood soaked the stone and he watched her existence fade, at times he could see her blood soaking his hands, smell it in the air until it nearly overwhelmed him. To nearly all other emotion he was a cold statue, that's what made the pain sting even more.
"Vesta."
It took everything he had to speak her name to the air, and even then, the agony nearly overwhelmed him. The Dark Lord stood alone at this particular shrine; the very stone seemed to vibrate with barely contained power. The dark side freely flowed from his body, amassing to critical levels. The giant was clad in a simple black robe, its hood pulled over his face. She was many things to many people. But to him? She was his daughter. But no just a child, she was the child. She was everything he could've ever wanted. She forged her own path and climbed to the highest echelons of power, inheriting the legacy of the Sith Order. She was truly a befitting heir if there ever was one. Not even Joycelyn came close to the bright star that Darth Mori became. She was perfection made manifest, the true heir of everything he and his nephew possessed. A daughter who possessed half of her father, and her mother forged into one. She was many things to many people, but she was always Vesta to him.
"I failed you. How did I not foresee it coming? I should've been there for you. I should've protected you." The Dark Lord held his hand aloft over a burning fire, and he sliced open his palm and let the black blood within flow freely to the raging fires below. It was a father's prerogative to protect his child, and he failed. She never should've been pushed to that point in life. Centuries spent honing his skills, growing in strength and power through trials, experiences. All of it should've prepared him to defend her. Such a short life to live it should've been his time, if someone had to go after all why did it have to be her? Why couldn't it have been him? After all he'd lived long enough, she was more than capable of handling her inheritance, standing beside his nephew and forging a new future together. Every moment he blamed himself for the outcome that day. For all her experiences, success she was still nothing more than a mere child, the child of an immortal. She had many lifetimes to live yet, to experience the wonders of life on Maena and at home. Instead, he was only left with dust and echoes of a broken future. A life where existence was pain.
All suffered for his pain.
The pain he felt became the driving force behind every horrific act perpetrated by the Kainate. Every genocide coordinated by his hand; every planet burned he devised the plan. In time it became nearly all he did, governance and genocide. Beside his nephew they were an unstoppable duo together, he stood as Shadow Hand and Mortarch. In time he blamed everyone and everything for what happened. The Alliance, the Brotherhood, himself. It evolved to include everything his pain would drive him to crush. Still nothing would ever be enough to dull it, to silence the ghosts haunting his mind and forcing him to see her, to hear her voice.
"I failed you."