Taichi manages to defeat the Red Element with the power of the wind spirit, Aerial. So when he speaks to Lemia about hearing the spirit's voice and using her power, she pronounces him a Summoner. While he feels like that power is just another cheat, he heads into the city to find Rin and Muller. Along the way he rescues a woman being harrassed by some men, but that woman seems familiar somehow...
that you're a Unique Magician who 
uses sorcery, not magic, right?
أنّك ساحر فريد يستخدم الشعوذة وليس السحر؟
dass ein Unique Magician
Zauberei und nicht Magie einsetzt?
che tu sei uno Unique Magician che
usa la stregoneria al posto della magia, vero?
que você é um mago único que
usa feitiçaria, e não magia, né?
что ты уникальный маг,
который пользуется колдовством?