Dabi is shocked to say the least and he immediately goes in for the burn this lady
"Hf-"
He just barely missed hitting her-but only because she very unceremoniously fell.
"A-AH!-"
he catches her
"EEP!" She squeaked, looking up at him in wide-eyed fear and trembling.
he puts her in the care of Kuro and Shiggy
"make sure to separate her hands... just who are you?"
She glared at him.
"I told you...I'm no one."
"Don't play games with me. Tell me who you are or it's the end of the line."
"I...AH-" She winced, inhaling sharply as her chest constricted, clearly in immense amounts of pain-she started to shift, in a manner almost identical to Toga's powers.
"What?"
"Nh....N-No-no not yet-I-I-I need more time-HF-"
And with that-his true form was revealed.