He's not sure if the band will make a follow-up to 19th album 13 before they split up. Ward and the band fell out ahead of the making of 13 after he said he hadn't been offered a "signable" contract. Osbourne later suggested the original drummer wasn't fit enough to perform, leading to a new ward of words between the pair.

Asked about the chances of his return, Iommi replies: "That depends on Bill. We met up again six weeks ago and we got on great, but it's down to Bill. Our plans as they stand are to tour with Ozzy, Geezer Butler, myself and Ozzy's drummer Tommy Clufetos, who did so well on the last tour."