Army of the Dead
Do you think the Army of the Dead could of been useful for the final battle in Mordor. Aragorn could of released them after the war is over.
You couldn't even kill them because they are already dead.
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[Aragorn, Legolas, Gandalf, and Gimli ride up]
Merry: Welcome, my lords, to Isengard.
Gimli: A merry hunt you've led us on. And now we find you here feasting and... smoking.
Pippin: We are sitting on a field of victory enjoying a few well-earned comforts. The salted pork is particularly good.
Gimli: Salted pork?
Gandalf: [rolls eyes and sighs] Hobbits.