Invincible! Spirit General of the East, Ron
Without warning, B't Raido appeared in front of Teppei and X! His donor is one of the greatest fighters in the Machine Empire. His name is Ron. Teppei and X have never fought anyone as tough as Ron before! He has the power of one of the Spirit Generals! Episode summary graciously provided by Vortex Fansubs
Aired 15/06/1996EP 11 - Invincible! Spirit General of the East, Ron

B't X
Teppei is going to visit his older brother Kotaro Takamiya during a scientific conference after training with a mysterious woman named Karen for the past 11 years. However his plans for a family reunion become stalled when a woman named Aramis kills everyone in the conference to kidnap Kotaro. Teppei on the way to save his brother encounters a broken mechanical horse called B't X who revives thanks to Teppei's blood and is now his aide to save his brother from the mysterious Machine Empire.