Ley
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They can.
Option: the Dragon Utopia is not that far from the Castle, there are deposits of useless creatures, we take them, turn them into demons through battles, form a strike stack of demons and take the Dragon Utopia, where they successfully perish.
Then, with parameters after the Dragon Utopia and artifacts, we take normal troops and ...
Won't you regret it? So many actions... It's quicker to take them using mass haste with just archdevils and ifrits, and those same demons can be left to guard the Castle, well, and some hero with artillery.
"Единственное, что можно сказать с уверенностью об удаче - она изменит..."