The first season of Dune: Prophecy led to a revelation that redefined HBO series core relationship and shed new light on the origin of its central villain.

Throughout the first six episodes of the series, which was renewed for a second season at the end of last year, viewers watched a Tula Harkonnen (Olivia Williams), dedicated member of the Sisterhood and literal sister to Valya (Emily Watson), played surrogate mother to the young acolytes of her order.

And there was a very good reason for that.

Toward the end of the season, a flashback revealed that not only did Tula give birth to the child of a Atreides, but the fire-wielding Desmond Hart (Travis Fimmel) was that baby.

The two were eventually reunited, but under terrible conditions. Hart ordered Tula's arrest, no doubt setting up mo

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