yathādrīn śataparvadhṛk

tada-at that time; visvesvarah-the Lord of the universe; kruddhah-in great anger; bhagavan-the Supreme Personality of Godhead; loka-bhavanah-desiring the welfare of the people in general; hanisyati-will kill; avatirya-descending Himself; asau-He; yatha-as if; adrin-the mountains; sataparva-dhrk-the controller of the thunderbolt (Indra).