The Black Irix
Referred To In:
The World of Shannara
Six months prior to First King of Shannara, the Trolls were subjugated by an army with unknown leaders.
First King of Shannara
While waiting to meet with Bremen, Kinson Ravenlock had seen winged black things flitting across the sky at night. Bremen confirmed that the leaders of the army, the thing that Kinson had seen, were Skull Bearers.