Those who have read the books or watched the films know this is a major departure as Leto died after being handed over to the Harkonnens by his private Suk Doctor, Wellington Yueh, during the attack on Arrakis by Baron Harkonnen's forces. Before giving Leto to the Harkonnens, Yueh replaced one of Leto's teeth with a poison gas capsule and told Leto to bite down hard to release the deadly gas. Although Leto did this, his main target, Baron Harkonnen survived, but Leto succumbed to the effects of ...