Any other races can join as long as born on this world and will need more three weakness and  don't live longer then 800.
 

as well make sure you read over other races as it may cover your races like

 

furries classes as  Cocorts.

ferals or four leg furries are classes as Panorins.

Vampires or werewolves or shapeshifter  are classes as Satiampires.

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NOTE: Can’t have ANGEL or angel dragon species