raine grins "we dont judge by dna... every fairy has a magic aura... though they can be almost identical like me and tali's auras are there is always that slight variation... my scouter here..." points at the head piece on her "... lets me see the auras of those with magic in them and even see the slight differences in a fairies magic aura.... it can be fooled yes but it takes a lot to fool it......"