'''Kalan''' is an author who lived during or shortly after the [[Sin War]] when the fate of [[Sanctuary]] was decided by [[angel]] and [[demon]] kinds.It is the name given to [[Mendeln]] by [[Trag'Oul]] after the end of the war. It means "Teacher" in the language of [[Trag'Oul]].   ''"I would call you Kalan. In the name of that which I am, it means Teacher, for you have risen too high to be called by me a mere student... and we have need of you to show others the truth of the Balance".-[[Trag'Oul]]'' 

No details at all are available about The name Kalan other than is only mentioned after the Sin War, when the fact he wrote a series name is given to [[Mendeln]], and in the Leafs of books that were either named, or later became known as the [[Books of Kalan]]. They , which talk about the events that took place at the [[Sin War]] . He is also the first and possibly last disciple of [[Rathma]], chosen to further spread the events that took place thereways of Trag'Oul and the Balance.

  Leafs of The Books of Kalan are quoted in [[Diablo: Scales as Prologues of the Serpent]]each book of The Sin War Trilogy.

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