Mahabharata 3.168.17
सुराणामसुराणां च संग्रामः सुमहानभूत्अमृतार्थे पुरा पार्थ स च दृष्टो मयानघ
surāṇāmasurāṇāṃ ca saṃgrāmaḥ sumahānabhūtamṛtārthe purā pārtha sa ca dṛṣṭo mayānagha
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book