Confidence

The entire floor rumbled for a second as Arthur followed Claire to wherever she had chosen to train him. 

'That must be some intense fight.' He thought.

As they walked across each other, he couldn't shake off the powerful aura the half-elf produced. It had condensed itself in this narrow corridor, defining how strong she was without needing to demonstrate her powers. Even though he were to fight her at full strength, the chances of winning were pretty low.