The Half-Blood Incursion

The Halfblood Incursion, also sometimes called the Black Iron Invasion and the Sixth War of the Kraken, was a conflict that occured in 366AC. Prince Maron Halfblood and Princess Mara Halfblood, twin children of Regnar Twice-Crowned, emerged from the east with an army of mercenaries, and coffers deep enough to inspire. They returned to the Iron Islands and made war in their father's name, spreading fire and steel and blood across four regions before finally being put down.

It is the most recent of the many wars started by the Sons of the Kraken.