Do you want me to shut this down around your character(s) entirely? Nope! Whatever's IC.
Is there anything that she should "get" from them first? Well Aang is the Avatar and has a lot of spiritual energy? Plus there's a dormant light spirit living within his soul.
Is there something specific you want her TO or NOT TO pick up? Not that I can think of!
Do they have any power that could shield them from this sense? I don't believe so!