Episode 77 of The Trigan Empire
Rebellion in Daveli
aka Keizer Keren (Dutch title)
King Keren (Dutch title, translated)
Written by Ken Roscoe
Illustrated by Gerry Wood
Rebellion in Daveli was originally published in 14 instalments in issues 898 (31 March 1979) to 911 (7 July 1979) of Look and Learn magazine.
To date it has not been reprinted in English.
Plot summary (Dutch)
MediaFire via British Comics Compilations