To be part of an Historical Allies, the Far Harad faction must include at least one troop led by at least a Hero of Fortitude and this is not currently the case.
To be part of an Historical Allies, the Mordor faction must include at least one troop led by at least a Hero of Fortitude and this is not currently the case.
To be part of an Historical Allies, the Serpent Horde faction must include at least one troop led by at least a Hero of Fortitude and this is not currently the case.