Valmiki Ramayana 7.61.15

यावत्करस्थः शूलो ऽयं भविष्यति सुतस्य ते ।अवध्यः सर्वभूतानां शूलहस्तो भविष्यति॥

yāvatkarasthaḥ śūlo 'yaṃ bhaviṣyati sutasya te |avadhyaḥ sarvabhūtānāṃ śūlahasto bhaviṣyati ||

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