Possible Clues:

• Bladed weapons in Dublin?
• The Blades set intro to lyrics
• What some combatants cross
• Suit in a tarot deck
• Props for some movie fights
• County town of Fingal, Ireland
• The Blades could have been discovered in Dublin
• They can penetrate only 60 per cent of our puzzles
• The Blades from part of Dublin
• Initially Sheffield Wednesday overcoming rivals, duly surprising 'The Blades'