Though they were not mages and had no mana, the guards from both sides were nonetheless warriors bred for killing.
They had been taught several ways of martial arts and have been taken through the journey of controlling their presence through their body perspective.
It is a form of training that allows them to release a killing intent through body gestures and body senses to intimidate whoever they want.
That is what both sides were using to make the atmosphere around them heavy and intense despite not being mages.
The heavy mood that surrounded them caught the attention of the bystanders, leading several nobles to feast their attention on the two princes responsible for the sour air in the atmosphere.
"Bold of you to assume your intelligence is beyond my realm of thinking... Brother". Says Mikeal.
How... Interesting this is. This is what Mikeal thought of Talen's declaration of intellectual superiority.