• -20000 DR
  • Evidence from the carvings in some sea caves suggests that the merfolk, locathah, and sahuagin exist in Seros and have battled each other since that time. »

  • -11400 DR
  • With the start of the Sable Wars and the fall of Eiellur (coupled with the Crown Wars), a sudden influx of elves entering the Inner Sea forcing the elves out into deeper seas and away from the coastal waters. This ignites the first major conflicts with merfolk and sahuagin. »

  • -9845 DR
  • Construction begins on the Sharksbane Wall (uniting the existing tower garrisons) designed as a barrier against the sahuagin incursions, stretching between the Akanapeaks of northern Chessenta and southwesternmost Altumbel, southwest of Delthuntle by clergy of Deep Sashelas, Trishina, and Eadro. »

  • The First Seros War
  • -9839 DR to -9833 DR
    The burgeoning empire of elves allies with the merfolk against the sahuagin of eastern Seros. »

  • The Second Seros War
  • -8298 DR to -8282 DR
    The elf empire uses locathah forces to rally the enemies' enslaved locathah against them, as well as merfolk and crabmen. »

  • c. -1720 DR
  • The Netherese begin to explore Seros. They establish three crystal-doomed, subsea colonies - Cuulmath, Werapan, and Quelauuvis - on the continental shelf off the land that will become Sembia (over the Plains of Duna), which is within claimed territories of the elves and merfolk. Netherese mages either keep Aryselmalyn forces at bay or enslave any Serosians that enter their sphere of influence. The colonies are collectively called Deep Netheril. »

  • -1535 DR
  • The ixitxachitl Imperium of Ilvanyv falls. In the same year, the long loyal merfolk of Thalorlyn on the Hmur Plateau rebel against the oppressive violence of the war. Coronal Essyl co-opts the rebellion by supporting a merfolk traitor, Kyron the Mad, who had also succumbed to the whispers of Dagon. Kyron rises to a position of leadership among the merfolk while secretly passing military secrets to agents of the coronal. »

  • -1533 DR
  • Establishment of Thalorlyn as the independent First Kingdom of Hmur. The merfolk of Thalorlyn claim Myth Nantar. »

  • -1531 DR
  • Nearly thirty percent of all merfolk of Seros are killed as Aryselmalyr viciously puts down the rebellion at Thalorlyn. »

  • -1525 DR
  • Merrow and koalinth band together into the Horde of Bloodtide, only to be defeated again by the mad King Kyron of Thalorlyn. The rebel Republic of Tivaan rises among the merfolk to unite the Hmur Plateau against Aryselmalyr's mad ruler, once spies reveal that Coronal Essyl and King Kyron have allied with kraken to supplement their power. »

  • -1506 DR
  • King Kyron dies at the hands of the Dukars, who take the Emerald Eye of Kyron into their custody. The merfolk traitors either return to Tivaan or remain allied with Coronal Essyl. »

  • The Fourth Seros War
  • -1399 DR to -1396 DR
    The Hmur Plateau becomes overrun by a horde of koalinth and merrow, ending the peaceful merfolk Republic of Tivaan. A desperate mermaid steals the Emerald Eye of Kyron from the Dukars' Tower at Myth Nantar to drive the horde off the plateau, only to become corrupted by its power and lead the horde herself against her remaining people and the rest of Seros. »

  • -1396 DR
  • End of the Fourth Seros War
    This war destroys the Second Kingdom of Kyron, setting back koalinth population for decades. The Emerald Eye is recaptured, and the possessed mermaid is believed dead, buried in a collapsed reef on the Plains of Duna, which hereafter are called the Haunted Plains. The new merfolk community, under the auspices of the kindly Coronal Vaequiis, is the kingdom of Thalvan, led by King Darmox. »

  • -240 DR [Year of Enslaved Swords]
  • End of the Elf Purges
    After fifteen years, the worst of the backlash against the sea elves dies down in Seros. Those who survived the attacks from Koalinth, merfolk, and locathah zealots, and the newly returned (and far more evil) morkoth do so by use of magic (including High Magic) and some Dukar protection. »

  • -220 DR [Year of the Empty Soul]
  • End of the Second Dukars War
    Under mysterious circomstances, the powerful city-state of Nantarum loses the war for the Hmur Plateau while under siege from merfolk forces of "King" Ristan. Foreces at the siege noted only a strange humming rising from the mythal and numerous discharges of magical energy lightning the night-darkened sea. When the forces swam into the city, they found the only person alive was the sea elf Dukar Yupal Narlis, his mind destroyed. His thirty Dukar followers and "nobility" stood along the avenue leading to the Council Acadamy of the Dukars, all transformed into coral statues with looks of contrition on thier faces. »

  • -215 DR [Year of the Oracle]
  • End of the Sixth Seros War
    The new powers of Seros are shalarin As'arem, the morkoth Theocracy of the Deep Ones, and the merfolk Kingdom of Hmurrath. The Rise of Hmurrath signals the start of the Third Epoch. »

  • Start of the Seventh Seros War
  • -108 DR to -106 DR
    The morkoth of the Theocracy of the Deep Ones attack the merfolk cities Es'rath and Hmurrath on two fronts. They free the Emerald Eye of Kyron, using it with astonishing effectiveness. »

  • The Eighth Seros War
  • 319 DR to 321 DR
    Conflict between the shalarins of As'arem and the merfolk of Hmurrath against the ixitxachitl of Paolan Reef. »

  • Start of the Ninth Seros War
  • 653 DR to 656 DR
    The initial combatants in this conflict are the merfolk of Hmurrath and the merrow Axe Kingdoms of Khuur and Nmalk. »

  • 660 DR [Year of the Morning Horn]
  • The Laws of Battle is drafted by the merfolk, shalarin, and Dukars after the end of the Ninth Seros War to avoid the kind of genocidal violence from ever fouling the waters of Seros ever again. »

  • Start of the Tenth Seros War
  • 709 DR to 750 DR
    This is the start of more than seven separate civil wars that tear apart Hmurrath, pitting nearly all the races against each other, with conflicts between all races living in the Inner Sea. »