Shiva Purana

siva.sh/siva-purana/rudra-samhita/162/12

तस्यातीव महारौद्ररूपं दृष्ट्वा महासुराः ।। न शेकुः प्रमुखे स्थातुं भेजिरे ते दिशो दश ।।१२।।

sanskrit

Then within a trice, lord Śiva, the principle of perfect wisdom, expert in great sports, assumed a terrific form, dreadfully blazing.

english translation

tasyAtIva mahAraudrarUpaM dRSTvA mahAsurAH || na zekuH pramukhe sthAtuM bhejire te dizo daza ||12||

hk transliteration by Sanscript