In the battle even before the eyes of Bhishma himself. O king, I pledge my troth for this. Bhishma always uses the Pandavas leniently.
पश्यतो युधि भीष्मस्य शपे सत्येन ते नृप॥ पाण्डवेषु दयां नित्यं स हि भीष्मः करोति वै।