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Justified

I am a murderer. That is not an insult. It is a statement of fact. I am not blind to what I have done, even if I do not regret it. Judgment will find me before the end. I would like to think that is the kind of world I live in.

I did not fall to the underground on accident.

After I fell I met a flower. It told me that in this world it was kill or be killed. That is the world that these monsters created.

Another monster found me. She showed me kindness. She asked me to stay with her. Live a peaceful life. I could not. I had a purpose. That monster forced me to kill her.

Other monsters who found me attacked. They proved the flower correct. They struck at me. How did they think I would react? How else could I react?

I knew the fate of those who came before me.

The skeleton. He was funny with his little traps. The traps meant to stop me. Meant to present me to his king. Meant for my death. I guess he was harmless, but not for lack of trying. Is incompetents a reason to ignore the purpose? If one does the crime poorly, should they dodge the punishment?

The skeleton asked me to give piece a chance. To give monsters a chance. Put down my weapon and just give him a hug. Now they ask for a chance. Now they ask for peace. Now that they are the ones dying.

The monsters had six chances. They decided to wast them. Do not be surprised when judgment comes.

The guard captain challenged me. She thought she was some kind of hero. Murderers are not heroes.

She talked about friends and family. That the will of all the underground was calling for her to defeat me. She had to beat me for the sake of all those she cared for. Funny that she apparently never thought of humans having people who cared for them.

Friends. Family. They can come to take revenge. I was not going to make her mistake. I would be thorough.

The other skeleton asked me if people could change. If people could be good if they tried. I do not know, but I do not think it matters. There are some acts that cannot be forgiven. Punishment must be delivered.

Sans named me brother killer. All I could do was smile. I could empathize. Brother killer. As far as I was concerned, that was a requirement for living down here.

AN: There it is. My attempt at giving Frisk a reason in a genocide run. Well I did not outright state it, but I hope I implied it heavily enough. There was at least one person who did not get it, so I will directly state Frisks reason here. Vengeance, Frisk's brother was the previous child to fall to the underground. Later I will try to go over the story and see if there are more places I can hint at this.