Kael hopes they can scale the heights of the biggest groups in the business and achieve festival headliner status and says they'll plough on to achieve their goal.

He tells Talk Toomey: "We are definitely poised. That's never something that you would expect or say, 'Oh, yeah, we're gonna be the next Black Sabbath.' I didn't think I was gonna be in the next FFDP, let alone Black Sabbath. But we are in a position where we've got a ton of fans out there. We've sold millions of records.

"Bands like Black Sabbath, Metallica and Iron Maiden - in my own head, that's unattainable. Those are special bands and I definitely hold them up in high regard on the shelf.