Canto 3 -
Araṇya-kāṇḍa
Chapter 53: Sītā Chastises Rāvaṇa
Text 3.53.24
निमेषान्तरमात्रेण विना भ्रात्रा महावने।
राक्षसा निहता येन सहस्राणि चतुर्दश॥
nimeṣāntara-mātreṇa vinā bhrātrā mahā-vane
rākṣasā nihatā yena sahasrāṇi caturdaśa
nimeṣa-antara-mātreṇa = in a moment; vinā bhrātrā = and without [the help of] His brother; mahā-vane = in a great forest; rākṣasāḥ = rākṣasas; nihatāḥ = killed; yena = He; sahasrāṇi = thousand; caturdaśa = fourteen.
In a moment and without [the help of] His brother, He killed fourteen thousand rākṣasas in a great forest!