Episode 79 of The Trigan Empire
More Trouble in Zabriz
aka The Zabriz Conspiracy
Het verraad van Avaran (Dutch title)
The Betrayal of Avaran (Dutch title, translated)
Written by Ken Roscoe
Illustrated by Gerry Wood
More Trouble in Zabriz was originally published in 13 instalments in issues 932 (1 December 1979) to 944 (23 February 1980) of Look and Learn magazine.
To date it has not been reprinted in English.
Plot summary (Dutch)