Another concept of ancient ruins. Blue BIC pen on 8x10 Pentalic paper. The Zero Gate, or 0Z Gate, stands as the oldest gate and marks the entrance to the central capital city of Zero, or 0Z. Since the beginnings of the realm, this gate has welcomed travelers from far and wide. It has a rich history surrounding it with stories as a crossroads and as a reference point. It has been instrumental in connecting lost times and places through old mysterious maps and stories.