リチャード・ザンブレイブ

The kind-hearted younger brother of Rufus, who was raised to knighthood solely based on his brother's advancement.  He admires and practically worships his older brother, and he wants nothing more than to repay his debt to society and his brother.

 Upon Rufus's death, he swears revenge against the Godslayer responsible.  However, he also befriends Ragna, unaware of his true identity. He is conflicted by his desire to avenge the older brother he idolises, and the fear that his best friend Ragna is truly the killer he is searching for.

Even less capable of fighting than his mundane older brother, Richard's strength (according to Ragna) is the immunity of his soul to the corruption of hatred. Any fighting capability he gains is granted externally; his manifestation as the Kusanagi blade is a product of a dual contract with Glenfarth and Izana or Ragna's gift of the red crystal./