ततः then, तस्य of that, शस्त्रस्य संवासात् in association with the weapon, रौद्रे in a violent mood, अभिरतः always involved, सः that, मुनिः sage, प्रमत्तः in excitement अधर्मकर्शितः dragged in unrighteous ways, नरकम् to hell, जगाम went.

By association with the sword, he developed a violent attitude. And in that habitual state of excitement he was dragged into unrighteous ways which (ultimately) took him to hell.