The Lurias would join due to their religious quest to cleanse the monsters of Dwi. This would include PeL, LN, and the new realm in Shinnen.
Even we Lurians aint craz.... Religious enough to go sailing and marching half way round the continent to get battered. We would need to have Subjecated D'hara/Madina first to give us a base of operations....
Give us a few RL years
