>Take her hand so we don't lose track of her and start looking around for anything to use as a weapon.
You take her hand. You don't see anything usable as a weapon nearby.
You think your roommate has a few? You remember her having a baseball bat. And possibly a sword.
"Oh, thank you." Hope says, smiling up at you as you think of what might be best used as to defend yourself, slipping out of your grip and pointing south, towards the burned-out section of the city. "You need to go south. You need to find Tartarus there. You'll find me there. Then you can help me find my mommy!"
And then the girl is not there anymore.
"Please...." You hear here voice echo through the empty streets. "I'm counting on you."