When this Asura will be killed, the three worlds will be in peace and happiness. My opinion is that you are quite competent to kill him.
लोकाः स्वस्था भविष्यन्ति तस्मिन् विनिहतेऽसुरे त्वं हि तस्य विनाशाय पर्याप्त इति मे मतिः॥