Valmiki Ramayana 6.63.11

उपप्रदानं सान्त्वं वा भेदं काले च विक्रमम् ।योगं च रक्षसां श्रेष्ठ तावुभौ च नयानयौ॥

upapradānaṃ sāntvaṃ vā bhedaṃ kāle ca vikramam |yogaṃ ca rakṣasāṃ śreṣṭha tāvubhau ca nayānayau ||

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