Harry sighs, thinking.
She was going against everything he ever believed in, in the 7 laws of magic, seven laws that govern all use of magic. You can't kill peoples with it, you can't travel in time, you can't resurrect the dead, you can't open the Outer Gates, You can't transform someone into a frog or something, you can't get rid of someone's free will, and you can't invade someone's mind. It corrupts people, turns them into monsters. He's had to put down far to many teenage kids after they messed with dark magic too long. It corrupts, it screws their mind, and rips it to shreds, before they become mere monsters in human bodies...
She might be deciving him, tricking him. If he knows about it, then it's been used far to often... who knows what it's done... though he isn't dead, that's something... Gah...
"Okay, look, you can, but I still can't trust her. I don't know how she does it, but she invaded someone's mind, their own personal sanctum... it's... well, as I said one time, it's not black as Dark Dark Dark Dark Dark Dark Dark gray... you can trust her, but I don't. Lets just move foreword."
He begins to work on ensuring that his mind is properly defended from mental attacks.
He looks at Indiana. The girl seemed so sweet, but who knows what she has hidden underneath it all...