Possible Clues:

• Scottish sword
• How the Scot's weapon gets ground, more like
• About to put down a larger sum for a sword
• Sword put down millions, thrust through the heart
• Earth's additional weapon?
• Something that can cut hard surface to a greater degree
• Old blade sat motionless initially having pierced heart
• Old fighter added old weapon
• Ali once requiring extra weapon
• Master follows amateur into interior with weapon