Kali just coldly looked at Gregorio. "Are you surprised?" she asked. "That your famed Symphony of Destruction is only worth this much?"
Gregorio didn't show any visible reaction.
A moment later, a terrifying amount of Mana flowed out of his tome, which then formed into a terrifying disk made of different kinds of Mana.
Then, the disk exploded, leaving behind three bolts of colorful lightning.
Gregorio's eyes narrowed as he performed one calculation after the other.
BANG!
One of the bolts shot at Kali.
Kali lifted her left hand and closed it gently.
The lightning bolt warped before it vanished, leaving a grey mist behind.
Gregorio rapidly spoke several words and shot the second lightning bolt at her.
Kali lightly moved the fingers on her right hand in a rhythmical pattern, and the lightning bolt scattered into colorful dust.