Sigil Campaign (21/07/12)
From Dragon Mania Legends (DML) Wiki
For the duration of this event, a normally-unbreedable Dragon is made available for winning by completing the Sigil Campaign. In order for a Trainer to participate in this fighting campaign event, they must be Level 20 or above and have Dragons with Sigils equipped. The current Reward of the Month (Dragon) is displayed on the button in the lower-middle corner of the Sigil Campaign map.