German Power Metal legends [tag]Helloween[/tag] are set to embark in a all out “hellish” rock tour, starting sometime in mid November and ending sometime in mid January. The tour, dubed “HELLISH ROCK 2007/2008”, is an all European tour in which the band will tour much of the continent, from London to Bremen to Bucharest etc., basically all the major European venues. Teaming up with Helloween are fellow power metalists [tag]Gamma Ray[/tag], who’s leader is non…