To be part of an Historical Allies, the Lothlórien 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 Rivendell faction must include at least one troop led by at least a Hero of Fortitude and this is not currently the case.
Friendly Lórien models gain the Resistant to Magic special rule
Bonus of Rivendell
Whilst within 6" of the army’s leader, friendly Rivendell models may re-roll failed To Hit rolls when making shooting attacks in a turn in which they did not move.