Shiva Purana
कपालपाणिर्विश्वात्मा चचार भुवनत्रयम् ॥ नात्याक्षीच्चापि तं देवं ब्रह्महत्यापि दारुणा ॥ ३ ॥
He, the soul of the universe, roamed over the three worlds with the skull in his hand. The terrible Brahmahatyā never left Bhairava.
english translation
kapAlapANirvizvAtmA cacAra bhuvanatrayam ॥ nAtyAkSIccApi taM devaM brahmahatyApi dAruNA ॥ 3 ॥
hk transliteration by Sanscript