Possible Clues:

• Line taken by bishop when villain invades land taken back
• Bishop's chess line
• Line connecting two opposite corners
• Cross having endless pain in face
• Straight line on a slant
• Slash, old, again playing
• Germany battered goal in a straight line from corner
• Past name engraved in clock face across the square
• Oblique call about endless pain
• Raise help with a long organised line