William controlled himself to not laugh. Among the discussions he overheard, many started to place theories about the reason for the entire fight. People also talked about the rumours they heard before; the ones related to him joining the same academy he just killed all their members in the arena.
They saw and recognised the true identity of that team, and knew they were dark spirit masters. That made many masters confused.
None ever heard about an academy accepting dark masters. Dark masters infiltrating academies and big forces and clans was a well-known fact. But it was also known that they'd try their best to hide their true identities.
It was indeed the first time in this world to see dark masters revealing their identities in the open, without even fearing any repercussions about their daring actions.