Possible Clues:

• Solicit a delegate guarding stronghold
• Fortress — Aldi etc (anag)
• Acropolis, e.g
• Fortress with unusual dialect
• Weird dialect used in stronghold
• Guided a jerk over castle
• Keep — castle
• Stronghold in front of castle with elaborate detail
• The meaning of “Kremlin” as part of a Russian city
• Idle cat moving around fortress