Resonance boosts various stats depending on the characters and the dragon combination itself.
Resonance also increases your CP too! You need Resonance Crystal in order to make it work.
There are many types of Resonance Crystals, and each of them boosts your stats differently.
Resonance Crystal can be obtained in the following places: Solo Dungeon, Arena Shop, Vending Machine (Requires Diamonds).
Play Dragon Atlas: http://dragonatlas.37.com/
