Angels are divine protectors from the heavens. They are mighty warriors, heavily armored and wielding enchanted swords, inspiring fellow soldiers to great deeds.
Flying - Unit can fly, which negates all terrain penalties. A Flying unit cannot be attacked by non-flying units in melee, although they do counterattack.
Aura of Courage - Unit emanates an aura that enables friendly troops to fight better. Manual states this gives all friendly units +1 to-hit.
Summon - Unit was summoned and belongs to another world.
Clear Mind - Unit is immune to Mind-affecting spells.
Divine Grace - Unit applies his Charisma bonus to its saving throw. Values above already take this into account.
Living - Unit is a living creature or creatures. It is healed by Positive Energy and damaged by Negative Energy.
This attack will reach flying units.