The Seven Deadly Sins manga omnibus volume 6 collects volumes 16-18 in a larger sized omnibus format and features story and art by Nakaba Suzuki.
As The Ten Commandments continue wreaking havoc across Britannia, The Seven Deadly Sins and Holy Knights team up to take down an enemy from their past—the Demon, Fraudrin. With King heading off on his own to save Diane, who returned to her homeland after Gowther erased her memories, Melodias and the rest of the gang seek out the Druid clan for a training session. Meanwhile, Ban meets an unexpected figure from his past while searching for a way to bring his beloved Elaine back to life.