What heroic qualities does Arthur exhibit when he responds to sir ector's request?

When Arthur responds to Sir Ector's request, he demonstrates qualities such as humility, loyalty, and courage. He shows humility by acknowledging his role and responsibilities, despite his young age and inexperience. His loyalty is evident in his willingness to support Sir Ector and uphold his honor, while his courage shines through in his readiness to face challenges and make difficult decisions for the greater good. These qualities together highlight Arthur's emerging character as a true leader.