The enormous spell domain expanded from the middle of the mountain slopes.
After Catherine had completely unfolded her spell, a territory covering several kilometers descended near Barrier Mountain.
The spell's effects were strongest near Catherine herself.
The farther away, the more the effects faded.
As for Ronald, who was searching for enemies from the mountain peak, he immediately felt a wave of intense nausea. This wasn't a direct physical influence from Catherine's spell, but rather, the spell domain had altered the common sense and cognition within its range.
However, Ronald soon found that the nausea began to subside.
Catherine had somehow locked onto Ronald's position, so the domain had plucked Ronald out of this altered common sense and cognition.
As for others besides them...
Under the observation of Ronald's 'Fury' power,
many wizards with weak protective measures had completely lost their combat abilities.