Since trading in the spire requires orcs and in higher amounts than some of us can produce, can we get a spell that would give us 50% more orc production in armouries (or even better in all buildings that produce orcs) like the MM spell does for goods?
They will become a bottleneck when the combination of needing them for negotiating provinces, research and upgrades hit you - and they are required in huge numbers in the Spire of Expensive Rewards.