Ramayana
एष नाम्नो दशग्रीवः पितृराज निशाचरः । उपयाति वशं नेतुं विक्रमैस्त्वां सुदुर्जयम् ॥ 7-21-6 ॥
"O lord of the ancestors, this night-ranging rakshasa named the Ten-necked is approaching to bring you, who are exceedingly hard to conquer, under his sway by his prowess."
english translation