Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
This article or section refers to elements from Expanded Dune.
Cyril was the brilliant mentat of House Atreides.
He was in charges of that House's operations on Arrakis.