Dragons are your faithful helpers in the battle. Almost all the items you will need to upgrade your Dragons can be found in the Dragon Catacomb and Element Catacomb. Let’s check how to upgrade them:

1. Upgrade You can upgrade the level of a Dragon with Dragon Dust. The level of your Dragon will affect how powerful its second skill is! The third skills will get better when you Evolve your Dragon.

2. Spirit Dragons have 4 different spirits, use stones from the Dragon Catacombs wisely to upgrade the Spirit’s level. Also, don’t forget that the Dragons that are not in the battles can also help you by Possessing your Heroes.

3. Evolve Evolving the Stage of your Dragon will power up their 3rd Skill.

4. Dragon Heart Dragon Hearts have five elements you can upgrade. Upgrade the Element to increase the elemental DMG they cause. Evolve the Heart to improve the Stats.

5. Dragon Essence Dig for Resistance and Anti-resistance Gems to gain resistance to certain elements for all Heroes and yourself.