Space Satan
Arcane
For anything bigger than small kingdom you have to fuck you wife and concubines and educate you heir to Grey Eminence. Diplomatic education is a bread and butter of empire building. Giot strong\wuick\genius child - educate him in diplo and other worthless inbred scum products of your fucking your sisters, aunts and mothers - martial. Martial education is rare, strangely, and the funniest thing - a lot of women got martial.