Ser Criston was tutoring prince Aegon in his swordsman skills. And while the young prince was not very skilled nor eager, he arrogantly spoke about how he won his first bout, and that his opponent sues for mercy. The opponent that was in fact a straw puppet.

The commander of the Kingsguard was unimpressed and just smiled slightly. “You will have a new opponent, then, my lord of the straw.” He replied and gestured for Aegon to fight another dummy.