Brahma said, all right, you see this motive again and again in mythology. The three cities came to being and the demons lived there. One on earth made of iron, one in the skies made of silver, and one in deep space made of gold,. And we will stay there and nobody can destroy us. It's only when all the three cities are together - that will happen once for an instant in thousands of years. So Shiva is a very dramatic description. In fact, Pushpa Dantin gives a description of how Shiva went and destroyed the cities. He was equipped with F-22s and missiles but it says, you the Lord, you are not dependent on
Shiva Mahimna Stotra is a Sanskrit composition in the devotion to Shiva that is believed to have been composed by a Gandharva named Pushpadanta. It lists Shiva's various achievements and qualities. Swami Sarvapriyananda speaks on these verses on the auspicious occasion of Shivaratri.