Ramayana
तान्भक्षयित्वा तत्रस्थान्महर्षीन्यज्ञमागतान् । वितृप्तो रुधिरैस्तेषां पुनः सम्प्रययौ महीम् ॥ 7-18-21 ॥
Having devoured the great sages who were present there, come to attend the sacrifice, and being sated with their blood, Ravana again set out across the earth.
english translation