The child, Yoga-māyā-devī, the younger sister of Lord Viṣṇu, slipped upward from Kaṁsa’s hands and appeared in the sky as Devī, the goddess Durgā, with eight arms, completely equipped with weapons.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
सा तद्धस्तात्समुत्पत्य सद्यो देव्यम्बरं गता । अदृश्यतानुजा विष्णोः सायुधाष्टमहाभुजा
sā taddhastātsamutpatya sadyo devyambaraṃ gatā | adṛśyatānujā viṣṇoḥ sāyudhāṣṭamahābhujā
SB 10.4.9