In Assassin's Creed Valhalla: Wrath of the Druids, you can get abilities that grant you additional skills. This way, you won't have to rely only on the attacks you unlocked in the skill tree. On this page, you will learn the locations of Books of Knowledge in Connacht.
The Irish Wolfhound skill can be found east of Tuam Lake.
To get to the skill, you must enter the cave. Stop at the locked door and look up. You will find a gap that you can go through. Kill the enemies and go to one of the cells.
This is a great offensive ability. The animal can serve as a distraction and inflict area damage.