Shiva Purana
महाबुद्धिर्महावीर्यो भूतचारी पुरं दरः॥ निशाचरः प्रेतचारी महाशक्तिर्महाद्युतिः ॥ ४३॥
He was very intelligent and very powerful and he roamed the city like a cave He is a night-dweller and a ghost-walker with great power and great effulgence.
english translation
mahAbuddhirmahAvIryo bhUtacArI puraM daraH॥ nizAcaraH pretacArI mahAzaktirmahAdyutiH ॥ 43॥
hk transliteration by Sanscript