"Don't confuse yourself," the knight refutes the very idea. "I never came with the intention of saving you, or helping you at all."

This does very little to reinforce the notion of her own claims, as it leaves open the question of why she did save the princess, intentions or no.

No. Intentions were never what mattered most. It was the results. And right now, her results are all wrong. She isn't even sure what to do next; worse, she isn't even sure what she will do next.