Correct answer

You make a deal with MacBeth, to unite against Duncan's wrath. You defeat his armies in a surprise attack. He hits back again and again, but you are a mighty force. He is eventually slayed by MacBeth.

The element of surprise

You have fought like a true warrior and defeated the wrath of Duncan I.
Meanwhile, on Orkney, Brusi has passed away leaving the Earldom of Orkney in your hands.

Brusi's son, Rognvald contests. You will go to any lengths to secure your title. You're forced to murder him!

In 1040, MacBeth takes the throne of Scotland. He focusses on affairs in the south, allowing you a free reign in the north. You take this opportunity to extend your territories even further.

Extact from the Orkneyinga Saga, describing Earl Thorfinn as a powerful warrior and chief.

Bloodlines showing Thorfinn and his rival, his half-brother's son, Rognvald.