Bonnie felt her power compressing until pure flame burst into reality. Like Kali, enraged by her enemy, she only stopped for fear of damaging her other half, her Shiva, Damon. If not for him, she would have burned Kai to a crisp.
Again, through Damon's interference, they listened to Kai's riddled speech. But Bonnie couldn't pay attention or be excited about an escape. She was too busy thinking of how she almost lost Damon. She was too busy pondering a life without her vampire to celebrate the return of her power. She was too busy worrying about that forlorn look in his eyes.