Board Thread:Dragon City Gameplay Questions & Answers/@comment-13736966-20130728192213/@comment-10090661-20130729143113

1. Legendary + Legendary = Legendary (highest probability) or any other dragon, including any Exclusive (in the shop) dragon, if they are of a high enough level.

2. IMO, the Legend Spell is the most powerful attack in terms of raw power. I could be mistaken.