Indra comes to Dwārakā, and reports to Krishna the tyranny of Naraka - Verse 20
Vishnu Purana (GRETIL; M. M. Pathak critical edition) · 4 · Verse 24.20
Sanskrit Original
श्रौतस्मार्तधर्मे विप्लवम अत्यन्तम उपगते क्षीणप्राये च कलाव अशेषजगत्स्रष्टुश चराचरगुरोर आदिमयस्यान्तमयस्य सर्वमयस्य ब्रह्ममयस्यात्मरूपिणो भगवतो वासुदेवस्यांशः शम्बलग्रामप्रधानब्राह्मणविष्णुयशसो गृहे ऽष्टगुणर्द्धिसमन्वितः कल्किरूपी जगत्य अत्रावतीर्य सकलम्लेच्छदस्युदुष्टाचरणचेतसाम अशेषाणाम अपरिच्छिन्नमाहात्म्यशक्तिः क्षयं करिष्यति। स्वधर्मेषु चाखिलं जगत संस्थापयिष्यति। अनन्तरं चाशेषकलेर अवसाने निशावसानप्रबुद्धानां तेषाम एव जनपदानाम अमलस्फटिकविशुद्धा मतयो भविष्यन्ति।।
śrautasmārtadharme viplavam atyantam upagate kṣīṇaprāye ca kalāv aśeṣajagatsraṣṭuś carācaraguror ādimayasyāntamayasya sarvamayasya brahmamayasyātmarūpiṇo bhagavato vāsudevasyāṃśaḥ śambalagrāmapradhānabrāhmaṇaviṣṇuyaśaso gṛhe 'ṣṭaguṇarddhisamanvitaḥ kalkirūpī jagaty atrāvatīrya sakalamlecchadasyuduṣṭācaraṇacetasām aśeṣāṇām aparicchinnamāhātmyaśaktiḥ kṣayaṃ kariṣyati| svadharmeṣu cākhilaṃ jagat saṃsthāpayiṣyati| anantaraṃ cāśeṣakaler avasāne niśāvasānaprabuddhānāṃ teṣām eva janapadānām amalasphaṭikaviśuddhā matayo bhaviṣyanti||
When the principles of Shrauta and Smarta dharma are severely disturbed, and when the qualities of the creator of the universe, the Lord Vasudeva, who is the essence of all, are diminished, then the ruler of the world, endowed with eightfold prosperity, will descend here. He will destroy the wicked actions of all the evil-minded people and will establish the entire world in its own dharma. After that, at the end of the age, those who are awakened at the end of the night will have pure and crystal-clear thoughts.