The Lion War starts in chapter 3 when both Larg says that Oranis should have the throne. And Goltania says that Ovelia should take the throne. Larg sends his Hokuten and Goltania send his Nanten to kill the other succorer to the throne. Both of these men are later killed. Larg by dycedarg, Goltania by Delita. These men never help or join you so there are no req.