Shiva Purana
यक्षविद्याधराहीन्द्रैः सिद्धैर्युद्धदिदृक्षुभिः ॥ क्षणेन निबडीभूताः साकाशविवरा दिशाः ॥ ११ ॥
In an instant the quarters including open spaces and crevices were filled up and thronged with leading Yakṣas Vidyādharas, serpents and Siddhas who desired to witness the battle.
english translation
yakSavidyAdharAhIndraiH siddhairyuddhadidRkSubhiH ॥ kSaNena nibaDIbhUtAH sAkAzavivarA dizAH ॥ 11 ॥
hk transliteration by Sanscript