In the third scenario, nomads have settled in the oasis. Since they are lacking wool and grain, they send out caravans to barter for the coveted resources. Of course, everybody wants to profit from the Caravans, but sending the caravans to one’s own settlements isn't all that easy.
Catan’s wealth doesn’t go unnoticed. And thus it doesn’t take long until the Barbarian Attack descends upon Catan’s coasts. Now it is imperative that the Catanians close ranks and train knights. The knights rally for battle - not altogether selflessly, because each captured barbarian is worth half a victory point.
The last scenario is titled Traders & Barbarians. The barbarians have been driven off, and now it’s time to repair the damage. Soon, Catan’s roads and paths are bustling with baggage trains - marble and glass must be delivered to the castle, sand to the glassworks, and tools to the marble quarry. Successfully carrying out a delivery is awarded with a victory point and gold. Unfortunately, some scattered barbarians interrupt the smooth flow of the transports…