Wrath of the Norsemen is a modification of Medieval II: Total War: Kingdoms, set in the viking age. The aim is to create a mod that is both historical and enjoyable for anyone who has an interest in the early medieval era of history, or is just a little bit too fond of blood and big axes.
Assumed that it is meant to be a late period unit so he wears a slightly later style of chain and a 10th century axehead style...
For more concept art:
Twcenter.net