The low model count of the Soul-Snatchers ended up being their downfall. We noted that the Patriarch has a hard time pulling his own weight even with his AP(2) claws and psychic powers. The Elite Soul-Snatchers were also underwhelming on the charge, not only leaving them open for return CCW attacks, but also return shooting attacks that were easily defeating their 4+ Defense.
I'm starting to come around to the idea that they are over costed in points. I think Scout is the problem. Currently, it's adding about ten points to the cost from what I can figure, but it isn't that valuable. Sure, if they went first and all deployed within 18" half of them could get a close combat attack before they were able to be fired on, but if they don't make good on that (which against Marines requires a rend or a 6 on the to wound roll) they not only get attacked back in close combat but then they can also get shot by the enemies near them. I'm thinking Soul-Snatchers are closer to 25 or even 20 point models.
Or there's also the very likely possibility that a 3+ quality 6+ defense unit is worth more than 20 points...
Yeah, the 6+ defense can be tough to overcome. In our last game, the only thing that kept the Necrons in it was the Rending on their Gauss Rifles. Without that, I think the Battle Brothers would have possibly rolled over them too easily as not many wounds were caused without the rend bonus.
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I'm fortunate enough to have a LGS very close by. They have wonderful terrain compared to what I have at home. The ruins are interesting, but they create a situation in which you have to figure out with an opponent whether to treat them as area terrain or treat them exactly as they are. I lean toward area terrain simply for the fact that it makes it easy. No need to worry about whether a model could fit through that ruined window or not, we just assume they can due to the building being ruined.