As Vicente entered through the chimney of the house, the murmurs of these people, Acolytes in general, entered his ears.
By discerning the positions of the metallic objects, such as coins around the house, and the direction from where these voices came, he could pinpoint exactly where each person was. At the same time, he could also sense how strong they were by the disturbances in mana around their bodies, which vibrated with the metallic objects near them.
Vicente's magnetic ability was sharp, and because of that, it allowed him to interact with the metallic objects within his range, giving him the ability to feel what they 'felt.'
That was also the reason why he was able to determine the number and the strength of the people present in the house.
