Related Clues:

• Opposing side
• Combatant
• Friend's opposite
• Friend's counterpart
• Darius, to Alexander
• Giant, to Jack
• "Friend or ___?"
• Heavy hitter
• Vampire vanquisher
• Buffy, to vampires
• One in a battle scene
• Opposing team
• Buffy, for one
• Challenger
• No friend of mine