Lavi

Lavi is a Bookman apprentice and Exorcist in D.Gray-man.

Lavi's role in D.Gray-man

He wields the size-changing Innocence weapon Iron Hammer and records conflicts without becoming emotionally involved, as required by the Bookman role.

Lavi's defining actions and relationships

His friendships with Allen and the Black Order challenge that detachment, forcing him to choose between observing history and caring about the people inside it.