I just wanted to see if we are doing this correctly, because it seems to fit the rules, but it doesn't really make sense to me.
I have an Ork Mob with a Warboss the change a Necron Royal Warden who is on his own.
The orks do like 9001 attacks and hit like 10 times, warden has 2+ save so 1 wound but it gets regenerated, unlucky I guess. The warden attacks back 3 attacks at quality 3+ AP1 so does 2 wounds, saves fail, so 2 orks die.
Because the orks lost 2 wounds, they lose the combat, do a moral test on the warboss 3+ quality, and fail, so the unit is pinned?
so my question is, is that correct?
And following on from that, does it make sense that with 9 of 11 models alive in the unit, vs 1 a single here, my unit is now effectively dead? And if thats correct, why would I ever want to double up a unit to get 20 orks into the mob if they can be taken out like this by a single hero?
I used to play 40k maybe a decade ago, and I thought back then in 40k orks had a rule where if more than half the unit was alive they didn't fail moral, and even when they did they could fall back and mob up, does GF have anything like that, or is this just unlucky for my unit?
Essentially this was the story of my game today, every melee i went into, I lost due to losing 1 or 2 orks from the unit, but failing to actually kill any necrons with there ridiculous saves
That sounds about right to me. I'm not sure how often this situation would arise, mind you. The orks have multiple attacks and the furious rule, but I concede that this situation might arise.
Your next question about grouping ork units together is interesting. I also play as orks and group them into 20-ork units. This makes them more resilient and it takes longer before they are at half casualties. Losing melee combat AND half your unit is more disasterous. The bigger unit protects against that.