8 is extremely low, by the way, in enemy dominion it becomes a 7.
To give you an example, I was attempting to take over a province offered to me for sale that had 20 points of PD in it. With about 10 archers, my 7 morale 80 man squad broke in about four volleys.
Yeah 8 is very bad. That's the main reason I try to not build many of those types and stick with the less skilled, but mindless Lobo Guards as any R'Lyeh. Although I have had a lot of success with the cowardly troops with a hero with the valor hall of fame ability leading them.
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Can you destroy the Earth?
Egad! I hope not! That's where I keep all my stuff! Guide to EA R'Lyeh