“I saw you all giving your best for the town. I couldn't be more proud of your group. You're all growing in such a wonderful way, kid. The power this group has is stronger together than apart.” - Toru speaking to Toshiro after the Battle for Areno. [About the group during the "Age of Corruption"]

Summary

The group is a conglomeration of people with different skills and lives coming together to defeat or overcome a specific task or enemy.

Groups Through The Ages

There were several groups created during the history of Aren starting in the Age of Binding. The members during the Age of Binding are unknown but they are responsible for binding Neo-Addir to the Underworld. The next known group is in the Age of Seals; where Dezirae, Aylan, Aurora, Oran, Edana, Citoc, Horus, and Midori sealed the Underworld using elemental blade seals. The current group in the Age of Corruption who sets out to the defeat the Sorcerer, Majz Ical, include: Amane Fuseishutsu, Toshiro Shigekazu, Kyra Ryanne Tearny, Kitanni, Teoctlamazqui, Tenkai, Yasu Nari, and Balthazar. This group has secondary members who aren't included in the daily life of the group but are important. 

List of Different Groups During The Ages of Aren

Group During the Age of Binding

Members

Group During the Age of Seals

Members

Group During the Age of Corruption

Members