Oh, you have a really hard choice at hand... I really feel for you. Your strategy looks great and your army is well-organized, as you have everything - 2 tanks, a wicked damage dealer such as the royal snakes, and 2 great support units, such as shamans and inquisitors.
Well, the idea of putting away the inquisitors is good, because the demonologists can resurrect the ogres as well, provided there's enough life to leech from someone.
If it were down to my own judgment, I would have put the Ogres and Inquisitors in reserve and recruited all the demonologists and royal griffins I can handle. That would require some changes in the army lineup, but having 2 powerful summoner units like the the Demonologists and Royal Griffins is a real treasure to behold. Besides, both of them can be easily resurrected by the paladin, which puts your army in a very good position, with very tough units to show for.
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