Leila did not have any more doubts that this silver-haired man was indeed her supposed-to-be estranged uncle. No stranger will get work up like this to people who matter to them. And no man will easily shed tears to someone irrelevant to them.
For even more authenticity, she used mana to secretly know their blood compatibility. It is a cumbersome technique that often cannot be done just on anyone. It requires precise control on the user to make sure there is no pain to be felt by the one being tested. One can say that being a subject to it is like concentrating a hundred needles on one spot.
Requiring a drop of blood to determine their relation alike to a DNA test. Though this is a faster version and much more dangerous one if the one who administers does not know how to do a good job. It is definitely a reliable method to make on the spot checking of those who claim to be relatives.
