Shiva Purana
शिवार्चनं रुद्रजपं उपवासश्शिवालये ॥ वाराणस्यां च मरणं मुक्तिरेषा सनातनी ॥ १८ ॥
Worship of Lord Shiva chanting of Rudra and fasting in the temple of Lord Shiva Death in Varanasi is the eternal liberation.
english translation
zivArcanaM rudrajapaM upavAsazzivAlaye ॥ vArANasyAM ca maraNaM muktireSA sanAtanI ॥ 18 ॥
hk transliteration by Sanscript