The centuries-long proxy war between Trithereon and Asmodeus.
To end The Jealous Gods' War, Ondra summoned a leviathan of cataclysmic proportions and changed Mystara forever.
The Battle of Dragons was the site of Ondra's Remorse and the last battle of The Jealous Gods' War.
Resulted in the formation of the free state of Tanglewood Copse
Instigated by Istan against the Vailian-Thousand Cuts Cooperative to take control of their lucrative mines