The question asks to identify the ruler responsible for building the Shiva temple located in Mysona, within the historical Hindu Kingdom of Champa.
The Hindu Kingdom of Champa, located in present-day Vietnam, had a rich history influenced by Indian culture. Several rulers commissioned significant religious structures, including temples dedicated to Hindu deities like Shiva.
Historical records attribute the construction of the Shiva temple at Mysona (also referred to as Myson) to King Bhadravarman I.