Wallach IX

Infobox fictional planet
name = Wallach IX


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universe = "Dune" universe
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people = Bene Gesserit
creator = Frank Herbert
genre = Science fiction

Wallach IX is a notable fictional planet in Frank Herbert's science fiction universe of "Dune". Wallach is the ninth planet of Laoujin, and best known for being the site of the Mother School of the Bene Gesserit.

History

In the "Legends of Dune" trilogy, Wallach was one of the Synchronized Worlds, and was given to Yorek Thurr after his defection from the human worlds. It was subsequently destroyed by the fleet of the Butlerian Jihad during their systematic destruction by atomics of all the Synchronized Worlds. Later, in the original series, Wallach IX is the home of the Bene Gesserit Mother School.

In "Heretics of Dune", the base of operations for the Bene Gesserit is known as Chapter House Planet:

The woman standing in Chapter House Planet's morning light across the table from the Reverend Mother Superior Alma Mavis Taraza was tall and supple.

It is not made clear whether this is a renamed Wallach or another world until "Chapterhouse Dune", when it is explicitly stated that one of the planets captured by the Honored Matres is Wallach, and that the location of planet Chapterhouse is known only to some Reverend Mothers (for security purposes).

In "Chapterhouse Dune", the Bene Gesserit antagonize the Honored Matres into destroying Rakis, the only known source of melange. As Rakis is being destroyed, the Bene Gesserit flee with a single sandworm. They drown the sandworm in essence-concentrated water and the sandworm, like Leto Atreides II, splits into myriad sandtrout. These sandtrout begin to transform (or "Duniform") the green planet Chapterhouse, the first step in the Sisterhood's plan to renew the spice cycle under their own control.