Mahûd Warrior models that are within 6" of a friendly Mahûd Hero model that is Engaged in combat automatically pass all Courage tests they are required to make.
Bonus of Mordor
Whilst you have more models on the board than your opponent, friendly Mordor Warrior models gain+1 Courage and may re-roll 1s To Wound when making Strikes.
Bonus of Serpent Horde
A Serpent Horde army mayhave 50% of its warriors armed with bows. Additionally, all Haradrim Warriors and Raiders may apply the Poisoned Weapons special rule to all of their weapons