Thread:Jens Ingels/@comment-8949714-20130513101635/@comment-3271569-20130523101949

To get an pure you first need to have 2 legend dragons so:
 * GEN II + GEN II = GEN III (example vampire + blizzard)
 * GEN III + GEN III = GEN IV (example petroleum + pirate)
 * GEN IV + GEN IV = GEN V (example wind + mirror)