The last member to join Ruuji and his group he is a reclusive swordsman who saves Ruuji from a group of wild Elephander Zoids. Although originally a warrior who sought fame and glory in Zoid battle arenas he retired when he accidentally killed his pupil in a Zoid tournament. Prior to his early retirement he was regarded as the strongest Zoid pilot in history having won the tournament consecutively for 10 years. Quiet and aloof he is the most skilled combatant of Ruujis group and reluctantly agrees to train Ruuji on their journey. Hes suspected of having a serious health matter as he sometimes suffers from breathing and abdominal pains. Kotona is the only one who notices his suffering as he hides his private problems. Seijuurou pilots the Zoid quotSoul Tigerquot. Wikipedia