Sancorred rebelled because he was possessed (refined) by Shadow during the investigation.

Tancred started out as a gangster in Limsa Lominsa and had close ties with the underground organization in Haidu. Therefore, it is not surprising that he is proficient in using the skills of the dual swordsman. . Afterwards, he met the sage Louisois, started a new life, and became a member of the Salvation Poetry League. Thancred then went to Ul'dah to learn swordsmanship.

After that, he met the orphan Minfilia (Arcilia) who lost his father in the accident in Ul'dah, and made Louisois get acquainted with Minfilia. It played an important role in the establishment of the "Twelve Traces Investigation Committee" and later the "Dawn Blood Alliance".

In the 2.0 main line, Thancred was possessed and controlled by the Shadowless Lahabrea for a long time. It was not until the decisive battle in the Sky Curtain Magic City that the Warrior of Light defeated Lahabrea. Successfully drove him out of Thancred's body. Expanded information

In 2.5, it was the boss of the Crystal Volunteers who was recruited by Alphinaud, who planned and executed the assassination of the Queen by Shadu and framed the Dawn Blood Alliance.

Although the Alphinaud brothers and sisters rode in the same carriage with the protagonist from the beginning of the story, they did not appear again until the middle and late stages of the 2.0 main line. At the beginning, Alphinaud and his sister Alisa had disagreements over maintaining peace in Eorzea and dealing with the issue of the primal gods, so the two brothers decided to split up and explore methods in their own ways.

In the main plot of "A Realm Reborn", Alphinaud acted with the Allied Defense Forces of various countries and the Dawn Blood Alliance, and planned a series of actions, allowing the Eorzean Alliance to successfully defeat the Garlean Empire Legion. Long Gaius destroyed the ultimate divine weapon.

After temporarily defeating the Garlean Empire, Alphinaud advocated the establishment of the Crystal Volunteers in order to better protect Eorzea. Unexpectedly, in the later period, in order to regain the lost country of Ala Mhigo, Ilberd, the captain of the Crystal Volunteers, did not hesitate to collude with the Uldah Sandscorpions to launch a coup, murder Queen Nanamo of Uldah, and imprisoned the crime in the Light. On top of the warriors and everyone in the Dawn Blood Alliance. Members of the Dawn Blood Alliance were separated one after another on the way to escape.