kalasaṁ tarasāharan

tam-him; alokya-seeing; asurah-the demons; sarve-all of them; kalasam-the container of nectar; ca-also; amrta-abhrtam-filled with nectar; lipsantah-desiring strongly; sarva-vastuni-all objects; kalasam-the jug; tarasa-immediately; aharan-snatched away.