He soon finds and confronts her, and after a battle, he runs the Witch Queen through with his sword, Hexenbane (Witch Slayer). Kaulder is separated from his compatriots as he ventures further into the tree to find the Witch Queen herself.
Upon entering, they are ambushed by hexen warriors and dark magic cast by the Witch Queen. Sometime into their campaign, the Order uncovers the Witch Queens' coven, set in a massive Plague Tree, with enough Plague Flies to take down the rest of Europe. As one of few survivors (30-40% of all people in Britain died during the first Black Death), he was a founding member of the Order of the Axe and Cross, a military order with one goal: kill the Witch Queen. Both his wife and daughter fell victim to the Black Plague and died. Kaulder lived a pastoral life with his family in England in the High Middle Ages, before the Witch Queen used a powerful curse to release Plague Flies across Europe, including Kaulder's home of England.