Black dragon is the tier 4 unit for Taros. Only one can exist per Taros player at a time. They are produced by Flying Priest.
It is the fastest among all units including other high tier dragons.
The black dragon is the most effective air to air combat unit, as it can attack things even if they are close to it, and is very fast.
Secondary attack is the best as it can trace target and also fire rate is little bit faster.
It is also advised to hit and run enemies as black dragon is very fast and agile.