Please answer the following question by reasoning step-by-step.
The people had destroyed his family, he was now killing people with what?\nOptions:\n- joy\n- laughter\n- vengeance\n- terrible\n- anguish

vengeance
Vengeance means punishment inflicted or retribution exacted for an injury or wrong.

The people had destroyed his family; he was now killing people with vengeance.

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So, the answer is vengeance