Taken from recovered Journals and Scrolls of Record from the Dwarven Diaspora - 1017 DR
"As often seen in the hand of the sitting King, the Kingly Axe of the Delzoun line can often be seen resting to the right of the Great Throne in it's marble slab cradle. This venerable weapon was crafted by an unknown commoner smith from the first age of the Delzoun. As the ultimate gift to the king, the common smith poured his very soul into the work. Legend has it that many others joined in this act to pour their essence into the axe to serve Dwarven kind in the future"
"...but the fact that this powerful weapon lay so casually next to the throne worried some of the advisors. For they knew of it's great and terrible power when awoken, when their King would bellow "Hail ilv eth kjung!" the light of the golden blade would almost blind those in the vicinity as they rode forth. Not to mention the the so called "Spirit Seneschal" rumored to reside inside..."
This provided the activation phrase for Ulkas' Axe, and unlocked an upgrade path