Jovami6729
Didn't Silva have something to detect them? Since Mana field can also act as a sensor of sort to detect nearby presence aside from its ability to amplify magic spells?
Jovami6729:Pretty much if they want to win the S-Class Trials. The MC fails to realize on how far they are willing to go for to win and know what kind of person he is using his wits. Thus they needed they’re own trump card or trick that surprises the MC for a moment of weakness since catching him by surprise will cause him to panic needing a moment to recover is which they’ll use against him.