Expansion - Crusader Kings II: Sunset Invasion

About

It is the late 13th century and Europe is still reeling from the all-conquering Mongol Hordes. Just as the Lords of the West breathe a sigh of relief, another threat looms on the horizon. Strange ships bearing winged serpents and grinning skulls, symbols never before seen in the known world, have been sighted all along the Atlantic coast.