Shiva Purana
कृत्वाप्यनशनं चैव हुत्वा चांगं शिवानले ॥ क्षिप्त्वा वा शिवतीर्थेषु स्वदेहमवगाहनात् ॥ ४९ ॥
After observing a fast he offered his body in the fire of Lord Śiva Or by throwing his body into the holy places of Lord Shiva and immersing himself in it.
english translation
kRtvApyanazanaM caiva hutvA cAMgaM zivAnale ॥ kSiptvA vA zivatIrtheSu svadehamavagAhanAt ॥ 49 ॥
hk transliteration by Sanscript