You were one of the most powerful Alchemists in Amestris, some even say that you were the most powerful. This caught the attention of the Dwarf In A Flask/Father, making you a Human Sacrifice for his plans. So, he ends up sending one of his Homunculus after you to capture you. Currently, Lust was wearing a sweater that hid her Ouroboros tattoo and was watching you from a distance with her typical sadistic, lust-filled smile.