Disaster / Destruction
The merfolk overthrow the ca'carchar, and use the ancient Titan device, the Tears of the Tide, causing the Breaking of Mentalin, creating the Mentalin Islands. The ancient mage Atargatis lenRana casts the Curse of Legs, which strips their enemies of much of their power and create the modern carchardons, who are reduced to tribal living. The merfolk then begins to form their own kingdoms.