Citadel:

• It moves, takes, and turns over any number of squares in a straight line, both vertically, horizontally, and diagonally.

d4xa4: Citadel takes the opponent's Fort.

d4xa7: Citadel takes the opponent's Castle.

d4d7: Citadel turns over the opponent's Wall.

d4g7: Citadel turns over the opponent's Tower.

d4h4: Citadel turns over its friendly Tower.

d4f2: Citadel takes the opponent's Citadel.

d4d2: Citadel takes the opponent's Fortress.

d4a1: Citadel turns over its friendly Wall.