- For lore about dragon roosts, see Dragon roost.
Dragons come in three sizes: whelp, drake and dragon, all of them flying units. There were originally five different colors of dragons, one for each of the main dragonflights, but The Frozen Throne added a sixth one for the nether dragons. The colors of the dragons varies depending on the tileset of the map,. The nether dragon roost uses the black dragon model.
Blue dragons have a Freezing Breath ability which slows unit for 10 seconds, Bronze dragons have a Lightning Attack, and Nether dragons possess . Otherwise, the different colors of dragons are the same and their stats are identical.
- Patch 1.03 (2002-10-09): Mercenaries are now more accurately priced in general, which in most cases amounts to price decreases.