Then a vision had appeared, of the Legion marching - a truly ghostly army.
Other times, the echoes had a life of their own, so every footfall became the tread of a ghostly army, and every distant voice a ghostly feast.
The two ghostly armies began to form on opposite hilltops as Bane and Banouin strode out across the Field.
The ghostly army encircled them.
The ghostly armies were gone.
Perhaps this was one reason that the inn was so busy this winter night - either that or the masses of gray, lowering clouds gathering in the eastern sky like a ghostly, silent army.
In his work Germania, Tacitus describes them as painting themselves and their shields black, and attacking at night as a ghostly army, much to the terror of their opponents.
Vaporous outlines- ghostly armies- flowed over the hills and down into the plains.
There were some reported cases of ghostly armies, fighting battles at night in the forest, or in the remains of an Iron Age hillfort, as at Wandlebury, near Cambridge, England.
The ghostly army help them to defeat the Corsairs of Umbar invading southern Gondor.