How do I breed an Apocalypse Dragon in Dragonvale?

New dragon alert! Want the fastest breeding pair to hatch an Apocalypse Dragon? In this case it is the only breeding pair. This awesome new dragon is around to celebrate the Mayan prediction of the end of days on 12-21-12. If the world does not in fact end, you'll kick yourself if you don't breed this awesome looking dragon!

Apocalypse Dragon

Breeding Pair: Lichen + Magnetic

Breeding Time: 20 hours 12 min or 16 hours 9 min (with upgrade)

Availability: Till the end of the world (~ Dec 21st), however some speculate that it will be unlimited

Type: Apocalypse

Price: 130 Gems (Pricey, but I'd consider it if desperate)