Possible Clues:

• One with pride, for example, included in military force
• What's over one foot with one on the end in an army
• Horde
• Unit or old Roman army
• Being over one foot gets one on in the army
• Many left, for example, no one's coming back
• One limb with one on for the Romans
• Large number, say, eaten by beast
• Division in Roman army
• Used they to fight, for instance, in such a beastly regal manner?