Shiva Purana
राजापि तत्र चागत्य राक्षसानां स दारुकः ॥ विह्वलस्सबलश्शीघ्रं पर्यपृच्छच्च तं शिवम् ॥ ३ ॥
The king of the Rākṣasas, Dāruka, though very powerful was excited much. He hastened to the Vaiśya and asked him.
english translation
rAjApi tatra cAgatya rAkSasAnAM sa dArukaH ॥ vihvalassabalazzIghraM paryapRcchacca taM zivam ॥ 3 ॥
hk transliteration by Sanscript