Question: what is the strongest heroic dragon in dragon city?
Answer: High Queen Dragon. Attk: 5250. ... , High Guardian Dragon. Attk: 5250. ... , High Entity Dragon. Attk: 5250. ... , High Supremacy Dragon. Attk: 5150. Rank : 43., High Tech Dragon. Attk: 5100. Rank : 44., High Octane Dragon. Attk: 5100. Rank : 45., High Tension Dragon. Attk: 5000. Rank : 46., High Nucleus Dragon. Attk: 4400. Rank : 47.