The Dragon Roost

The Dragon Roost is a 2x2 building changing the max dragon level

this chart shows the level of the dragon roost and the max dragon level Also to upgrade a certain amount of dragons must be at the current max level (except

level 0 --> 1) if you owned the previous temples (noble etc) they turn into decorations and the Dragon Roost

will be built at a level depending on the temples you owned.