Mahabharata 3.81.15

ततो गच्छेत धर्मज्ञ वाराहं तीर्थमुत्तमम्विष्णुर्वाराहरूपेण पूर्वं यत्र स्थितोऽभवत्तत्र स्नात्वा नरव्याघ्र अग्निष्टोमफलं लभेत्

tato gaccheta dharmajña vārāhaṃ tīrthamuttamamviṣṇurvārāharūpeṇa pūrvaṃ yatra sthito'bhavattatra snātvā naravyāghra agniṣṭomaphalaṃ labhet

Our plain-language meaning of this verse is waiting for scholar review.