Belong with the Rook, the Bishop is one of the strongest pieces in Shogi. It can be very useful for attack and also can be used for defense specially once is promoted.
The Bishop is called 角 (kaku) in japanese. As the counterpart in chess it moves in diagonal direction.
Promotion: the promotion of the Bishop is similar to the promotion of the Rook. The Bishop will increase its movement capacity by one square orthogonal. The promoted Bishop is called Horse and is written 馬 (uma).
How to move the Bishop – 角
How to move the Horse – 馬