Containment

"Let go of me! Why are you doing this?!" Yuna shouted, resisting the ties as they started appearing on the chair around her body. Her energy couldn't be mustered at the same time, leaving her with grave invulnerability.

Meanwhile, Lucas's eyes were just delightedly looking at her without any prior intention of what to do with her. 

"I wanted to punish you, but it seemed like I could not think of the right punishment for the grave sin you committed," Lucas muttered, intensely dominating Yuna's confidence.

Yuna continued to struggle out of the way of the ties, but Lucas kept them firm, unable to break them with any force. Her face also started to tense as she looked at Lucas's expression.

"What are you going to do to me?" she asked.

"I still haven't figured it out, but it could be related to what you did. Since you violated my personal rule about not using any Qi to use magic, I wanted to let you feel what mana is. "

"What? Mana? What is that?"