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"You don't have to do this."
His sword slowly lowered down, closer and closer to her chest. His hands trembled, and his grip tightened with determination. He had to kill her. If she wasn't killed, the Abyss could completely take over Teyvat, and everything and everyone he knew and loved would be gone. He raised his sword, ready to slam it into her chest. He wouldn't hesitate this time. This wasn't his sister. His sister died the day they were separated. He would go through with this. He would kill the Abyss Princess, and leave Teyvat forever. No one else would be put in danger. The Abyss would fall withought it's leader. Everyone would live in peace. It would be as though he had never stepped foot there.
A knife sliced through his chest.
"I'm so sorry, Princess. I was nearly too late." A familiar voice mourned. But alas, Aether was gone, and the voice ran through dead ears.