Srimad Bhagavatam Canto 10, Chapter 78, Text 35

SB 10.78.35

rsaya ucuh
astrasya tava viryasya
 mrtyor asmakam eva ca
yatha bhaved vacah satyam
 tatha rama vidhiyatam
 
Translation: 
 
The sages said: Please see to it, O Rama, that Your power and that of Your kusa weapon, as well as our promise and Romaharsana’s death, all remain intact.
Srimad Bhagavatam Canto 10, Chapter 78, Text 34
Srimad Bhagavatam Canto 10, Chapter 78, Text 36