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In principle, but still, they are made of flesh, not steel.
ColouredText - список заклинаний и их уровень в описании существ-колдунов
Problem: in the fifth game, they can look like they are made of steel or are alive; I prefer the latter.
Блистает там воздушностью прогалин.
Но между кедров, полных тишиной,
Расщелина по склону ниспадала.
О, никогда под бледною луной
Так пышен не был тот уют лесной...
Enough guessing – everything has already been described: the Titans of Ashan are mechanisms; they are alive only in Heroes 5, and as is well known, Heroes 5 contradicts Heroes 6 and 7 in terms of lore.
The problem is that regeneration/resurrection stops working for the mechanics, which means a minus for the strategy of regenerating/resurrecting Titans. From a gameplay perspective, this option leaves fewer choices.