Or then you could divert your forces to him instead of me, oh poor little Ermor. The forge has been on for quite a while and we can't really do much about it.
Anyway, isn't army size counted from unit sizes and not unit amount? Skeletons are size2 and skel cavalry are size 3, so 30k army size equals to about 13k-14k units or so. The biggest stack of mine had 10113 undead and 284 normal troops last turn when jotun peeked at it before the storm on that fort.
Also, this
picture is the army in question, just having won the fight with a few hundred skeletons lost.