Killing people wasn't enough for him, he was out for revenge and wanted to cause them what?\nOptions:\n- anger\n- joy\n- vengeance\n- anguish\n- terrible
Think hard. Detailed solution:
anguish
Anguish is a severe mental or physical pain or suffering.

Killing people wasn't enough for him, he was out for revenge and wanted to cause them anguish.

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Thus, the answer is anguish