Slay the enemies within your path (by clicking on them) and fulfill the prophecy of defeating Dagoth Ur Press 'Space' to activate anti-corprus tunnel magic and swing once per 0.75 seconds automatically, which scales with your level (courtesy of Divayth Fyr)
This came to me in a dream, Azura told me to make sure the youth defeat Dagoth Ur and stop the blight Dagoth Ur's death might replay because for some reason Azura keeps resurrecting him, sorry dagoth ur