Reason

Nial was subjected to weird gazes by almost everyone. 

His fight with Michael Ignis was over but Nial was still fighting with some Draco. Calling it a fight might be an overestimation because Nial ended up knocking out the Keltia-ranked Draco even before he could touch Nial but that didn't matter.

Nial did what he wanted to do, which meant that he garnered everyone's attention, if only in a rough way.

"He was a little bit arrogant, don't you think so?" Nial asked while looking in the direction of the Dracos Leader and Michael Ignis. He had a faint smile on his lips and looked seemingly unbothered about what he had just done.

"Good fight, by the way. You're really strong!" 

Nial knew that his comment wouldn't really appease Michael Ignis's wounded ego but he felt the need to tell the Draco's prodigy that he had been quite powerful.