I'd say it won't be a proper tour then, just a festival tour... There is no way he does a proper tour and skips Germany.
Anyway, if you guys can go, GO! The venue is absolutely amazing, I fell in love with it when I went to see Damien there two years ago.
Tickets are a bit too expensive for me though, but they're already on sale:
http://www.ticketcorner.ch/Tickets-b...from=erdetaila