1 party
5 units in battle:
1 Avatar unit(always)
4 kamihime
2 reserve kamihime(automatically enter the fray if any of the main 5 are defeated)
7 Eidolons per battle:
1 main(grants passive buffs)
5 other Eidolon(that do not grant passives)
1 support(belongs to someone else; grants passive buff; selected before each fight; Friends can be summoned immediately)