Combat force would be like moving the moving rocks or piece is a feature that lies firmly on the ground and in that motion. Wood, pastes or rectangular stone stable. Wood or stone sphere will move easily.
The move was forced to battle to be like a rock or log. A feature It sits firmly on the ground. And mobility in a steep Wood or stone to place a rectangular solid. Wood or stone spheres to mobility.
Force combat is a move move the stones or logs features are located the firmly on the ground. Movement and easy in the slope. Wood or stone in the square to lay the steady. Wood or stone sphere will move easily.