Supreme master (8)
I believe the answer is:
overlord
(Other definitions for overlord that I've seen before include "Supreme ruler" , "Feudal superior" , "Ruler, D-day Operation" , "WWII Operation" , "Boss" .)
I believe the answer is:
overlord
(Other definitions for overlord that I've seen before include "Supreme ruler" , "Feudal superior" , "Ruler, D-day Operation" , "WWII Operation" , "Boss" .)