Shiva Purana
शिवलोकं ततः प्राप्य लब्ध्वेष्टं काममक्षयम् । शिवसायुज्यमाप्नोति संशयो नात्र जायते ७२ ।
Thereafter he will attain Śivaloka and enjoy everlasting bliss there. Finally he will attain Śivasāyujya. No suspicion need be entertained in this matter.
english translation
zivalokaM tataH prApya labdhveSTaM kAmamakSayam । zivasAyujyamApnoti saMzayo nAtra jAyate 72 ।
hk transliteration by Sanscript