This extract was taken from the homepage of Magicduel
~ Technique description, Part 1 ~
A grou identity is maintained by its members. Something must unite them to form a group. That something can be a commoun cause, the resemblance of species, or even isolation from other groups. Thus, enemies can be freinds, if the cirrcumstances allow it.
This is an except from a Spell Document. Spell Documents are part of Inner Magic which is currently partially implemented.
The original RPC that had this document was Chewett