"An army with a mission, with a common goal, is a strong one. An army with the blessing of the gods is invincible!"Mass Bless is a third-level Life magic spell from Heroes of Might and Magic IV. It costs five mana and causes all friendly targets to do maximum damage.
A good candidate for first spell of the battle, this will increase the damage of your army by a large percentage (approximately 33% for life creatures, given their base damage ranges).