Deal with the conflicts within Dalriada, bring the three kindreds or families together as one power.
Are you mad?!? The Vikings are a ferocious sea-faring army. If you even made it through the bad weather on the seas, and the threat of Viking ships, you wouldn’t exactly be welcomed on your arrival in Norway.
You would need a large, strong army and a better hold on your land before you could even consider attacking.
Kill off all figures in power within the kindred, leaving their people in your hands.
Which card are you going to play?