Hydra can be obtained from:Dragontamer Market (Shards)Honor Stele (Shards)
The Hydra Dragon can be bred using a Current Dragon and a Quake Dragon, in either order, at any Breeding Cave.
1:198:07How To Breed Legendary Dragon Update 2021 - Dragon City - YouTubeYouTube
After the Light and War update, you must breed two pure dragons or two pure hybrids in order to get Droconos. After the Light and War update, Legend Dragons are considered as the rarest dragons, before the legendary being introduced in the new recruitment tavern.
Go to your storage and click/tap Hatch next to the heroic dragon eggs (be careful not to accidentally press discard, as heroic dragons are extremely powerful). Make sure your hatchery is empty. Wait for the eggs to hatch. Place your new heroic dragons in suitable habitats and strengthen them.
Pure DragonPure DragonPriceSell700000700000Income (Lv. 1)Master Points (Lv. 1)24 /min16
0:188:11How To Breed Legacy Dragon In Dragon City - YouTubeYouTube
0:178:10The Most Powerful Dragon In Dragon City - YouTubeYouTube
ProcedureOn the home screen, swipe up/down to open the app drawer.Tap the 3-dot menu in the upper right corner.Tap Sort.Tap Alphabetical order.
To arrange favorites alphabetically,Go to Settings and more > Favorites.In the Favorites window, go to More options > Manage favorites.Press and hold (or right-click) anywhere on the Favorites page, and then select Sort by name.