Vena, a slave of anger and malice, become impious and tyrannical towards all creatures. The Brahmavadin Rishis killed him with Kusha blades inspired with Mantras.
तं प्रजासु विधर्माणं रागद्वेषवशानुगम्। मन्त्रपूतैः कुशैर्जघ्नुर्ऋषयो ब्रह्मवादिनः॥